1)3(х-2)=х+2
2)5-2(х+1)=4-х
3)(7х+1)-(9х+3)=5
4)3,4+2у=7(у-2,3)
5)0,2(7-2у)=2,3+0,3(у-6)
6)2/3(1/3 x-1/2)=4x+2 1/2

1) 4(5х+2)=10(2х-3)+15
2) 2(7х-7)=7(2х-3)+7