РЕШИТЕ УРАВНЕНИЕ СРОЧНО!5(2+3х)-4=7х-10

Question

РЕШИТЕ УРАВНЕНИЕ СРОЧНО!5(2+3х)-4=7х-10

Answer 1

5(2+3х)-4=7х-10
10+15х-4=7х-10
10-4+10=7х-15х
16=-8х
х=16/(-8)
х=-2

Comments

5(2+3x)-4=7x-10
10+15x-4-7x+10=0
8x+16=0
8x+-16
x=-2

Answer 2

5(2+3х)-4=7х-10
10+15х-4=7х-10
15х-7х=-10-6
8х=-16
х=-16:8
х=-2