Объяснение:
7(х-2)-3(х+6)=3-х
7х-14-3х-18=3-х
4х-32=3-х
4х+х=3+32
5х=35
х=35:5
х=7
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Объяснение:
7(х-2)-3(х+6)=3-х
7х-14-3х-18=3-х
4х-32=3-х
4х+х=3+32
5х=35
х=35:5
х=7