а) 9х-7х=2+8
2х=10
х=10:2
х=5
б) -11х+33=-10х-8
-11х+10х=-8-33|х-1
х=41
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а) 9х-7х=2+8
2х=10
х=10:2
х=5
б) -11х+33=-10х-8
-11х+10х=-8-33|х-1
х=41