1) 2х-5-3х+7=4
-х=16
х=-16
2) 2+3х-4х+7=10,2
-х=1,2
х=-1,2
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Answers & Comments
1) 2х-5-3х+7=4
-х=16
х=-16
2) 2+3х-4х+7=10,2
-х=1,2
х=-1,2