решите уравниние
7-15у=1+9у
-15у-9у=1-7
-24у=-6
у=1/4
у=-6/-24
у=0,25
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7-15у=1+9у
-15у-9у=1-7
-24у=-6
у=1/4
-15у-9у=1-7
-24у=-6
у=-6/-24
у=0,25