Sign up for FREE

9/23 algebraic proofs

Last updated almost 2 years ago

8 questions

12.5

12.5

12.5

12.5

12.5

12.5

12.5

12.5

Question 1

1.

match the proof reason to the correct step.

Draggable item		Corresponding Item
3x = 12		given
x = 4		subtraction
3x + 4 = 16		division

Question 2

2.

Match the proof reason to the correct step.

Draggable item		Corresponding Item
x=7		given

Question 3

3.

match the proof reasons to the correct step.

Draggable item		Corresponding Item
8x = 24		given
x = 3		distributive

Question 4

4.

match the proof reason to the correct step.

Draggable item		Corresponding Item
3x = 30		given
x = 10		addition
3x-2=28		division

Question 5

5.

match the proof reason to the correct step.

Draggable item		Corresponding Item
2x=5x-15		given
-3x = -15		subtraction

Question 6

6.

match the proof reason to the correct step.

Draggable item		Corresponding Item
20x+8=15x+48		given

Question 7

7.

Match the proof reason to the correct step.

Draggable item		Corresponding Item
y=4		given

Question 8

8.

match the proof reason to the correct step.

Draggable item		Corresponding Item
6x+10=12x-32		given

21=3x

subtraction

7=x

addition

4x-3=7x-24

division

-3=3x-24

symmetric

8x + 4 = 28

subtraction

+4(2x+1) = 28

division

x = 5

subtraction

2x+3=5x-12

division

5x=40

distributive

4(5x+2)=15x+48

subtraction

x=8

subtraction

20x=15x40

division

10y+5=12y-3

subtraction

4=y

addition

5=2y-3

division

8=2y

symmetric

-6x+10=-32

distribution

x=7

subtraction

6x+10=4(3x-8)

subtraction

-6x=-42

division