Объяснение:
Х/3+х/6+х= - 9/2
2х+х+6х= - 27
9х= - 27
Х= - 3
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Объяснение:
Х/3+х/6+х= - 9/2
2х+х+6х= - 27
9х= - 27
Х= - 3