15 (3-2y)-4 (9-y)=3 (y+5) решите уравнения

Question

15 (3-2y)-4 (9-y)=3 (y+5) решите уравнения

Answer 1

15(3-2y)-4(9-y)=3(y+5)
45-30y-36+4y=3y+15
-26y-3y=15-9
-29y=6
y=-6/29