Ответ:
4х=24+х
4х-х=24
3х=24
х=8
4(х-3)=7х+12
4х-12=7х+12
4х-7х=12+12
-3х=24
х=24/(-3)
х=-8
8+(-8)=0
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Ответ:
4х=24+х
4х-х=24
3х=24
х=8
4(х-3)=7х+12
4х-12=7х+12
4х-7х=12+12
-3х=24
х=24/(-3)
х=-8
8+(-8)=0