а)0.2х-0.7х=-3.2-2.3
-0.5х=-5.5
х=11
б)12-8х+24=6+4х
-8х-4х=6-24-12
-12х=-30
х=2.5
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а)0.2х-0.7х=-3.2-2.3
-0.5х=-5.5
х=11
б)12-8х+24=6+4х
-8х-4х=6-24-12
-12х=-30
х=2.5