Question

3x-13=8 find the value of x-4

Answer 1

3x - 13 = 8

Add 13 to both sides.

3x = 21

Divide both sides by 3.

x = 7

Now that we have the value of x we can solve x - 4.

7 - 4 = 3

The value of x is 7, and the answer to the second expression is 3.