Question

please tell me the answer with details it's for my project
(2y)-(-7y)​

Answer 1

(2y)-(-7y)=2y+7y=9y

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Answer 2

$(2y) - ( - 7y)$

$2y + 7y$

Minus Minus is equal to plus

$= 9y$

So, answer is 9y.

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