РЕШИТЕ УРАВНЕНИЕ: 4(1-5х)=9-3(6х-5)

Question

РЕШИТЕ УРАВНЕНИЕ: 4(1-5х)=9-3(6х-5)

Answer 1

4(1-5х)=9-3(6х-5)
4-20х=9-18х+15
-20х+18х=9+15-4
-2х=20
х=20:(-2)
х=-10.

Answer 2

Фото..................

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