Ответ:
1. 3х-7+2х-3=х
3х+2х-х= 7+3
4х= 10
х=10/4=5/2
2. 7х-5=7х+5
7х-7х=5+5
х=10
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Ответ:
1. 3х-7+2х-3=х
3х+2х-х= 7+3
4х= 10
х=10/4=5/2
2. 7х-5=7х+5
7х-7х=5+5
х=10