Question

qual e resposta dessa questão ( 4x +3 = x -12

Answer 1

$4x+3=x-12 \\ \\ 4x-x=-12-3 \\ \\ 3x=-15 \\ \\ x= \frac{-15}{3} =-5$

Answer 2

4x+3=x-12

4x-x=-12-3
3x= -15
x= -15/3
x= -5