Question

Given : 1/5x + 3 = 2x - 24
Prove x = 15

Answer 1

Explanation:

In order to prove the fact that x=15, you can plug 15 in for x in the equation.

`(1)/(5)x+3=2x-24\\\\(1)/(5)(15)+3=2(15)-24\\\\3+3=30-24\\\\6=6`

Since both sides of the equation equal 6, we have proved that x=15.