5х+15-10-2х=15х+60
3х+5-15х-60=0
-12х-55=0
-12х=55
х=55/-12
х=-4 7/12
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5х+15-10-2х=15х+60
3х+5-15х-60=0
-12х-55=0
-12х=55
х=55/-12
х=-4 7/12
3х +5 = 15х +60,
3х - 15х = 60-5,
-12х = 55,