Автор - pryahina9

Решите ур-я: а) -3х+14 = 4х+56 б) 3/4х+6=2/3х-9

Ответ

Автор - Mikejlova
-3х+14=4х+56
-3х-4х=56-14
-7х=42
х=42:(-7)
х=-6

Ответ

Автор - kalininasvetka
a)  -3х+14 = 4х+56
-7x = 42
x = -6

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