6y-20=2(5y-10-4y) Спасите

Question

6y-20=2(5y-10-4y) Спасите

Answer 1

6у-20=2(5у-10-4у)
6у-20=10у-20-8у
6у+8у-10у=-20+20
4у=0
у=0

Answer 2

6y - 20 = 10y - 20 - 8y
6y -10y +8y = 20 - 20
4y=0
y=0