Question

Решите пожалуйста пример
-0.8х-(0.6х-0.7у)=

Answer 1

-0.8x-0.6x+0.7y

-1.4x+0.7y

Answer 2

$- 0.8x - (0.6x - 0.7y) = - 0.8x - 0.6x + 0.7y = - 1.4x + 0.7y$

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Удачи))))