Question

Решите уравнения 7x+15=2(x-3) хелп

Answer 1

7х+15=2х-6

5х=-6-15

5х=-21

х=-21/5

Answer 2

7х + 15 = 2(х-3)

7х + 15 = 2х - 6

7х - 2х= -6 - 15

5х = -21

х = -21 ÷ 5

х = -4,2