SOLUTION: Solve: r - (-9) = -1

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Question 52777: Solve: r - (-9) = -1
Answer by toya_bond05(1) About Me  (Show Source):
You can put this solution on YOUR website!
r-(-9)=-1
-9+-1
10
r=10 because you have a subtraction problem where you need to find the missing number.so you add the two numbers you already have which are -9 and-1 to get r.which a negitive plus a negitive equals a positive.