Question

5(2y-9)+6y=4(3y-2)-21

Answer 1

5(2у – 9) + 6у = 4(3у – 2) – 21
10у – 45 + 6у = 12у – 8 – 21
16у – 45 = 12у – 29
16у – 12у = – 29 + 45
4у = 16
у = 16 : 4
у = 4