Решите уравнения: 12х+14=5х-7
9-х=10+3х
4-3х=7-9х
2х-4=8х-10
х+5=4+2х
11+х=15+9х
-5-11х=-2+7х
5.5-8х=-13х-4.5
20х-12=-10+6х
9-х=10+3х
4-3х=7-9х
2х-4=8х-10
х+5=4+2х
11+х=15+9х
-5-11х=-2+7х
5.5-8х=-13х-4.5
20х-12=-10+6х
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