6х -14=4х+7
6х-4х-14=7
2х-14=7
2х=14+7
2х=21
Х= 21:2
Х= 10 1/2
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Ответ: 10.5
6х -14=4х+7
6х-4х-14=7
2х-14=7
2х=14+7
2х=21
Х= 21:2
Х= 10 1/2