Решите уравнения:
3(х-2)=х+2
5-2(х-1)=4-х
(7х+1)-(9х+3)=5
3,4+2у=7(у-2,3)
0,2(7-2у)=2,3-0,3(у-6)

3(х-2)=х+23х-6=х+23х-х=2+62х=8х=8:2х=45-2(х-1)=4-х5-2х+2=4-х-2х+х=4-5-2-х=-3х=3(7х+1)-(9х+3)=57х+1-9х-3=57х-9х=5-1+3-2х=7х=7:-2х=-3,53,4+2у=7(у-2,3)3,4+2у=7у-16,12у-7у=-3,4-16,1-5у=-19,5у=-19,5:-5у=3,90,2(7-2у)=2,3-0,3(у-6)1,4-0,4у=2,3-(0,3у-1,8)1,4-0,4у=2,3-0,3у+1,8-0,4у+0,3у=2,3+1,8-1,4-0,1у=2,7у=2,7:-0,1у=-27