Question

Решите уравнение:
а) (6х+1) - (3-2х) = 14;
б) 9 - (8х-11)=12;
в)3у-(5-у)=11

Answer 1

в)
3y-(5-y)=11
3y-5-y=11
3y-5-y-11=0
2y-16=0
2y=16
y=16:2
y=8