Question

Resolva a equação 7x-8=3x+5

Answer 1

$7x-3x=5+8 \\ \\ 4x=13 \\ \\ x= \frac{13}{4}$

Answer 2

7x - 8 = 3x + 5
7x -3x = +8 + 15
4x = 23
x= 23/4