Question

(8y-3*(2y-3)=7y-2*(5y+8)

Answer 1

$8y-3*(2y-3)=7y-2*(5y+8) \ 8y-6y+9=7y-10y-16 \ 2y+9=-3y-16 \ 2y+3y=-16-9 \ 5y=-25 \ y=-25:5 \ y=-5$
Ответ: $-5$