Question

ajuda e de a conta!

2x - 15 = -45

Answer 1

2x-15=-45
2x=-45+15
2x=-30
x=-30/2
x=-15

Resposta: -15  

Answer 2

2x - 15 = -45
2x= -45+15
2x= -30
x= $\frac{-30}{2}$

x= -15