Ответ: 15x-2=27x+22
-12x = 24
x=-24:(-12)
x=-2
..............................................................................
5x+21=3x+25
5х-3х=25-21
2х=-4
х=-2:4
х=-2
x+21=3-5x
х+5х=3-21
6х=-18
х=-18/6
х=-3
Пошаговое объяснение: ух
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Ответ: 15x-2=27x+22
-12x = 24
x=-24:(-12)
x=-2
..............................................................................
5x+21=3x+25
5х-3х=25-21
2х=-4
х=-2:4
х=-2
..............................................................................
x+21=3-5x
х+5х=3-21
6х=-18
х=-18/6
х=-3
Пошаговое объяснение: ух