Уравнение 9x-2(-5+7x)=-8x-5

Question

Уравнение
9x-2(-5+7x)=-8x-5

Answer 1

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

Answer 2

9х-2(-5+7х)=-8х-5
9х+10-14х=-8х-5
9х-14х+8х=-5-10
3х=-15
х=-5