Question

5(3-2y)-4(9-y)=3(y+5) решить уравнение

Answer 1

5(3-2y)-4(9-y)=3(y+5)

15-10y-36+4y=3y+15

-10y+4y-3y=15-15+36

-9y=36

y=36/-9

y=-4

Ответ: y=-4