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Автор - mirzo9909

решите уравнение
56-4*х=40
97-х*4=85
7*2-х:9=6
20+23-х=16
9*(х-3):2=9
​

Ответ

Автор - egoryurin87
-4*x=40-56
-4*x=-16
x=4

-4x=85-97
-4x=-12
x=3

23-x=16-20
23-x=-4
x=19
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