Question

10(7y - 2) = 120 помогите​

Answer 1

10(7y-2)=120

70y-20=120

70y=120+20

70y=140

y=140:70=2.

Answer 2

Ответ:

$2$

Пошаговое объяснение:

$10(7y-2)=120\\\\7y-2=120:10\\\\7y-2=12\\\\7y=12+2\\\\7y=14\\\\y=14:7\\\\y=2$