Solving Systems by Elimination

Instructions

Write all solutions to systems of equations as an ordered pair (x,y)

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1

What variable do you eliminate?

4x + 8y = 20
−4x + 2y = −30

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1

Put the steps for solving by ELIMINATION in order:

Subtract the equations to eliminate one variable
Plug that number into either original equation and solve for the other variable
Solve for the remaining variable
Make sure the equations are lined up

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1

Solve by elimination. Write the answer as an ordered pair
(Show all work)

4x+9y=28 -4x-y=-28

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1

Solve by elimination. Write the answer as an ordered pair
(Show all work)

7x+y=-9
-3x-y=5

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1

What would be the first step in finding the solution with elimination?
4x + 3y = 1
x - 3y = -11

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1

Solve by elimination. Write the answer as an ordered pair
(Show all work)

4x+4y=4 3x+4y=10

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1

Identify the solution to this system of equations

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1

Solve by elimination. Write the answer as an ordered pair
(Show all work)

3x+7y=23
-3x-7y=-17

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1

Solve by elimination. Write the answer as an ordered pair
(Show all work)

-x+2y=17 2x+2y=-10

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1

How many solutions does the following equation have? 3x − 3 = −3 + 3x

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1

Solve by elimination. Write the answer as an ordered pair
(Show all work)

3x + y = –14
–2x – y = 9

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1

Solve by elimination. Write the answer as an ordered pair
(Show all work)

x + 4y = –3 x + 7y = –12

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1

What is the slope and the y intercept of the following?

Required

1

Solve by elimination. Write the answer as an ordered pair
(Show all work)
-x+2y=17
2x+2y=-10

Required

1

Solving Systems by Elimination

What variable do you eliminate?4x + 8y = 20−4x + 2y = −30

Put the steps for solving by ELIMINATION in order:

Solve by elimination. Write the answer as an ordered pair(Show all work) 4x+9y=28 -4x-y=-28

4x+9y=28 -4x-y=-28

Solve by elimination. Write the answer as an ordered pair(Show all work) 7x+y=-9-3x-y=5

7x+y=-9

-3x-y=5

What would be the first step in finding the solution with elimination?4x + 3y = 1x - 3y = -11

4x + 3y = 1

x - 3y = -11

Solve by elimination. Write the answer as an ordered pair(Show all work) 4x+4y=4 3x+4y=10

4x+4y=4 3x+4y=10

Identify the solution to this system of equations

Solve by elimination. Write the answer as an ordered pair(Show all work) 3x+7y=23-3x-7y=-17

3x+7y=23

-3x-7y=-17

Solve by elimination. Write the answer as an ordered pair(Show all work)-x+2y=17 2x+2y=-10

-x+2y=17 2x+2y=-10

How many solutions does the following equation have? 3x − 3 = −3 + 3x

Solve by elimination. Write the answer as an ordered pair(Show all work)3x + y = –14–2x – y = 9

3x + y = –14

–2x – y = 9

Solve by elimination. Write the answer as an ordered pair(Show all work)x + 4y = –3 x + 7y = –12

x + 4y = –3 x + 7y = –12

What is the slope and the y intercept of the following?

Solve by elimination. Write the answer as an ordered pair(Show all work)-x+2y=172x+2y=-10

-x+2y=17

2x+2y=-10

A system of two parallel lines will have how many solutions?

What variable do you eliminate?4x + 8y = 20−4x + 2y = −30

Put the steps for solving by ELIMINATION in order:

Solve by elimination. Write the answer as an ordered pair(Show all work) 4x+9y=28 -4x-y=-28

4x+9y=28 -4x-y=-28

Solve by elimination. Write the answer as an ordered pair(Show all work) 7x+y=-9-3x-y=5

7x+y=-9

-3x-y=5

What would be the first step in finding the solution with elimination?4x + 3y = 1x - 3y = -11

4x + 3y = 1

x - 3y = -11

Solve by elimination. Write the answer as an ordered pair(Show all work) 4x+4y=4 3x+4y=10

4x+4y=4 3x+4y=10

Identify the solution to this system of equations

Solve by elimination. Write the answer as an ordered pair(Show all work) 3x+7y=23-3x-7y=-17

3x+7y=23

-3x-7y=-17

Solve by elimination. Write the answer as an ordered pair(Show all work)-x+2y=17 2x+2y=-10

-x+2y=17 2x+2y=-10

How many solutions does the following equation have? 3x − 3 = −3 + 3x

Solve by elimination. Write the answer as an ordered pair(Show all work)3x + y = –14–2x – y = 9

3x + y = –14

–2x – y = 9

Solve by elimination. Write the answer as an ordered pair(Show all work)x + 4y = –3 x + 7y = –12

x + 4y = –3 x + 7y = –12

What is the slope and the y intercept of the following?

Solve by elimination. Write the answer as an ordered pair(Show all work)-x+2y=172x+2y=-10

-x+2y=17

2x+2y=-10

A system of two parallel lines will have how many solutions?

What variable do you eliminate?

4x + 8y = 20
−4x + 2y = −30

Solve by elimination. Write the answer as an ordered pair
(Show all work)

4x+9y=28 -4x-y=-28

Solve by elimination. Write the answer as an ordered pair
(Show all work)

7x+y=-9
-3x-y=5

What would be the first step in finding the solution with elimination?
4x + 3y = 1
x - 3y = -11

Solve by elimination. Write the answer as an ordered pair
(Show all work)

4x+4y=4 3x+4y=10

Solve by elimination. Write the answer as an ordered pair
(Show all work)

3x+7y=23
-3x-7y=-17

Solve by elimination. Write the answer as an ordered pair
(Show all work)

-x+2y=17 2x+2y=-10

Solve by elimination. Write the answer as an ordered pair
(Show all work)

3x + y = –14
–2x – y = 9

Solve by elimination. Write the answer as an ordered pair
(Show all work)

x + 4y = –3 x + 7y = –12

Solve by elimination. Write the answer as an ordered pair
(Show all work)
-x+2y=17
2x+2y=-10

What variable do you eliminate?

4x + 8y = 20
−4x + 2y = −30

Solve by elimination. Write the answer as an ordered pair
(Show all work)

4x+9y=28 -4x-y=-28

Solve by elimination. Write the answer as an ordered pair
(Show all work)

7x+y=-9
-3x-y=5

What would be the first step in finding the solution with elimination?
4x + 3y = 1
x - 3y = -11

Solve by elimination. Write the answer as an ordered pair
(Show all work)

4x+4y=4 3x+4y=10

Solve by elimination. Write the answer as an ordered pair
(Show all work)

3x+7y=23
-3x-7y=-17

Solve by elimination. Write the answer as an ordered pair
(Show all work)

-x+2y=17 2x+2y=-10

Solve by elimination. Write the answer as an ordered pair
(Show all work)

3x + y = –14
–2x – y = 9

Solve by elimination. Write the answer as an ordered pair
(Show all work)

x + 4y = –3 x + 7y = –12

Solve by elimination. Write the answer as an ordered pair
(Show all work)
-x+2y=17
2x+2y=-10