3(x-7)+4=7x-1 Решить уравнение
3(x-7)+4=7x-1 3х-21+4=7х-1 3х-7х=21-4-1 -4х=16/4 х=-4
3(х-7)+4=7х-1
3х-21+4-7х+1=0
-4х=16
х=16/(-4)
х=-4
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3(x-7)+4=7x-1 3х-21+4=7х-1 3х-7х=21-4-1 -4х=16/4 х=-4
3(х-7)+4=7х-1
3х-21+4-7х+1=0
-4х=16
х=16/(-4)
х=-4