Ответ:
а)5х-11=-2х+3
5х-11+2х=3
7х-11=3
7х=3+11
7х=14
х=14/7
х=2
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Ответ:
а)5х-11=-2х+3
5х-11+2х=3
7х-11=3
7х=3+11
7х=14
х=14/7
х=2