Question

Conta de 40×+15×=-35-20

Answer 1

40x + 15x = - 35 - 20 --->
55x = - 55 --->
x = - 55 / 55 --->
x = - 1

Answer 2

40x + 15x = - 35 - 20
55x = - 55
x = - 55/55
x = - 1