# How do you solve 3a-7=7a-3?

Apr 12, 2018

Simplifying the problem

#### Explanation:

$3 a - 7 = 7 a - 3$

subtract $3 a$ from both sides
$- 7 = 4 a - 3$

add 3 to both sides
$- 4 = 4 a$

simplify
$- 1 = a$

$a = - 1$