1)5y+7(3-y)=3(5-2y)-6
5y+21-7y=15-6y-6
4y=-12
y=-3
2) 7y-4(3y+5)=2-3(4y-9)
7y-12y-20=2-12y+27
7y=49
y=7
1)5y+7(3-y)=3(5-2y)-6
5y+21-7y=15-6y-6
4y=-12
y=-3
2) 7y-4(3y+5)=2-3(4y-9)
7y-12y-20=2-12y+27
7y=49
y=7
2) 7y-4(3y+5)=2-3(4y-9)
7y-12y-20=2-12y+27
7y=49
y=7
1) 5y+7(3-y)=3(5-2y-2)-65y+21-7y=15-6y-6-6
5y-7y+6y=15-12-21
8y= -18
y= -18:8
y= -2,25