-3,5х+4,7=6,5х-7,3 так, да?
4,7+7,3=6,5х+3,5х
10х=12
х=1,2
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-3,5х+4,7=6,5х-7,3 так, да?
4,7+7,3=6,5х+3,5х
10х=12
х=1,2