Ответ:
Объяснение:
5(x – 3) - 2(x – 7) = x - 14
5х- 15 -2х+14=х-14
3х - 1=х-14
3х-х= -14+1
2х= -13
х=-13:2
х= -6,5
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Ответ:
Объяснение:
5(x – 3) - 2(x – 7) = x - 14
5х- 15 -2х+14=х-14
3х - 1=х-14
3х-х= -14+1
2х= -13
х=-13:2
х= -6,5