Question

Помогите с ЕГЭ
9x-2(-5+7x)=-8x-5

Answer 1

9х+10-14х=-8х-5; 9х-14х+8х=-15; 3х=-15; х=-5))))))

Answer 2

9х-2(-5+7х)=-8х-5
9х+10-14х=-8х-5
-5х+8х=-10-5
3х=-15
х=-15:3
х=-5
проверка
9*(-5)-2(-5+7*(-5))=-8*(-5)-5
-45-2(-5-35)=40-5
-45-2(-40)=35
-45+80=35
35=35