Question

Решите уравнение2(2х+5)=-30

Answer 1

2х+5=-15

2х=-15-5

2х=-20

х=-10-ответ

Answer 2

2х+5=-30:2

Answer 3

2х=-15-5

Answer 4

2х=-20

Answer 5

2(2х+5)=-30

4х+10=-30

4х=-30-10

4х=-40

х=-10