Question 75507: Remove the parentheses in each of the following expressions and simplify when possible.
8d - (-7c - 2d)
thanks Found 2 solutions by checkley75, Blazer:Answer by checkley75(3666) (Show Source):
You can put this solution on YOUR website! 8d - (-7c - 2d)
The - symbol means: 8d - 1(-7c - 2d)
When -1 is multiplied into the parenthesis the positives turn into negatives and vice-versa.
So: 8d + 7c + 2d
Add 8d and 2d together because they are like terms.
10d + 7c is your answer.
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