3(x + 5) = 2x - 15
3x + 15 = 2x - 15
3x - 2x = -15 - 15
x = -30
Ответ:
-30
Объяснение:
3х+15=2х-15
3х-2х= (-15)-15
Х= (-30)
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3(x + 5) = 2x - 15
3x + 15 = 2x - 15
3x - 2x = -15 - 15
x = -30
Ответ:
-30
Объяснение:
3х+15=2х-15
3х-2х= (-15)-15
Х= (-30)