7y-4(3y+5)=2-3(4y-9)

Question

7y-4(3y+5)=2-3(4y-9)

Answer 1

7у-12у+20=2-12у+18

-5у+12у=0

7у=0

у=0

Answer 2

7y-4(3y+5)=2-3(4y-9)

7y-12y+20=2-12y-27

7y-12y+12y=2-20-27

7y=-45

y=45:7

y=6 3/7

Ответ: 6 3/7