mathematics

-9y+[7+(6y-7)]
what is the algebraic expression in simplest form?

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2. 👎 0
3. 👁 149
1. It is either a typo or the brackets are unnecessary

-9 y + 7 + 6 y - 7 = -3 y

1. 👍 1
2. 👎 0
2. -9y+[7+(6y-7)]
-9y+[7+6y-7]
-9y+7+6y-7 = -3y.

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2. 👎 0

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