Розвяжите пж −20−1,7y=42,4+3,5y

Question

Розвяжите пж −20−1,7y=42,4+3,5y

Answer 1

Ответ:

-1.7y - 3.5y=42.4+20

-5.2y=62.4

y=62.4 : (-5.2)

y= - 12

Answer 2

у = -12

.................

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