Question 213484
Equivalent expression with out parenthesis -(-9+8y)


Step 1.  Think of the - sign outside the parenthesis as -1 and then distribute.


Step 2.  -(-9+9y)=(-1)*(-9+8y)=(-1)*(-9)+(-1)*(8y)=9-8y


I hope the above steps were helpful.


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Good luck in your studies!


Respectfully,
Dr J