3(х-2)=х+2
3х-6=х-2
3х-х=-2+6
2х=4
х=2
0,2(7-2у)=2,3-0,3(у-6)
1,4-0,4у=1(у-6)
1,4-0,4у=у-6
-0,4у-у=-6-1,4
-1,4у=-7,4
у=?
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Answers & Comments
3(х-2)=х+2
3х-6=х-2
3х-х=-2+6
2х=4
х=2
0,2(7-2у)=2,3-0,3(у-6)
1,4-0,4у=1(у-6)
1,4-0,4у=у-6
-0,4у-у=-6-1,4
-1,4у=-7,4
у=?