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28.3 HW: Solving One Step Equations (Multiplication/Division)

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Last updated almost 4 years ago
10 questions
SHOW WORK on how to solve for the variable. Then check/plug your answer back into the equation see if you are correct.
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Question 1
1.

Solve for x

3x = 15

Type in answer as x =

Question 2
2.

Solve for y




Type in answer as y =

Question 3
3.

Solve for b

-20b = 80

Type in answer as b =

Question 4
4.

Solve for r




Type in answer as r =

Question 5
5.

Solve for z


Type answer as z =

Question 6
6.

The inverse operation of multiplication is:

Question 7
7.

The inverse operation of division is:

Question 8
8.

How would you solve the following equation?

150 = 25y

Question 9
9.

How would you solve the following equation?


Question 10
10.

Error Anaylsis:

Nick, James, and Kristen are debating about how the equation below should be solved.

-5x = 7

Nick says you should add -5 to both sides. James says you should multiply both sides by -5. Kristen says you should divide both sides by -5.

Who do you agree with? Solve the problem in the show your work section.