Question

6x-15=-4×+55 determine o valor de x da conta

Answer 1

$6x - 15 = -4x + 55 \\ 6x + 4x = 55 + 15 \\ 10x = 70 \\ x = \frac{70}{10} \\ x = 7$

Answer 2

Vamos lá

Calculo:

6X - 15 = - 4X + 55

6X + 4X = 55 + 15

10X = 70

X = 70 / 10

X = 7