Question

Complete this proof.

If 1/2(8x+14)=39 , then x = 8.

1/2(8x+14)=39 is Given
4x + 7 = 39 _____
4x = 32 ____
x = 8 ____

OPTIONS
division property of equality
distributive property
substitution property of equality
subtraction property of equality
associative property of addition

Answer 1

I hope this helps you get your assignment done!

Answer 2

1) distributive property

2) subtraction property of equality

3) division property of equality

Explanation:

Given : If
`(1)/(2)(8x+14)=39` , then x=8

To complete the proof :

Solution :

Following are the complete steps or proof of solving the given expression,

`(1)/(2)(8x+14)=39` is given

`4x + 7 = 39` - distributive property

`4x = 32` - subtraction property of equality

`x = 8` - division property of equality