Ответ:
3х-(7х-6х+3)=3х-7+6х-3
Решение и ответ:
3x - (7x - (6x - 3)) = 3x - (7x - 6x + 3) = 3x - 7x + 6x - 3 = 2x - 3
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Ответ:
3х-(7х-6х+3)=3х-7+6х-3
Решение и ответ:
3x - (7x - (6x - 3)) = 3x - (7x - 6x + 3) = 3x - 7x + 6x - 3 = 2x - 3