х = -3
Пошаговое объяснение:
14-(5x-6,1/7)=6/7(5-12x)
14 - 5х + 43/7 = 30/7 - 72/7х
72/7х - 5х = 30/7 - 14 - 43/7
10 2/7х - 5х = -13/7 - 14
5 2/7х = -15 6/7
37/7х = -111/7
х = -111/7 * 7/37
х = -3
Пошаговое объяснение:
14-(5x-6,1/7)=6/7(5-12x)
14 - 5х + 43/7 = 30/7 - 72/7х
72/7х - 5х = 30/7 - 14 - 43/7
10 2/7х - 5х = -13/7 - 14
5 2/7х = -15 6/7
37/7х = -111/7
х = -111/7 * 7/37
х = -3