Question

10y(y+2)-2y(5y-3)=8(3y+8)-84

Answer 1

$10y(y+2)-2y(5y-3)=8(3y+8)-84\\\\ 10y^2+20y-10y^2+6y=24y+64-84\\\\ 26y=24y-20\\\\ 26y-24y=-20\\\\ 2y=-20\\\\ y=-10$

Answer 2

Ответ будет: -10

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