Question

5y -3(y+3)=2-y  раскройте скобки

Answer 1

5y-3(y+3)=2-y
2-y=-(y-2)
2y-9=2-y
3y=11
y=11/3=3 целых 2/3

Answer 2

5у-3-9=2-у
2у+у=2+9
3у=11
у=11:3
у=3/11