Ответ:
6х+7=6(4х-1)-16
6х+7=20х-5-16
6х+7=20х-21
6х-20х=-21-7
-14х = -28
х = 2
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Ответ:
6х+7=6(4х-1)-16
6х+7=20х-5-16
6х+7=20х-21
6х-20х=-21-7
-14х = -28
х = 2