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Reiny or Steve could you check my Math?
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1. (9m+6)+(-5m-6)
my answer: 4m 2. (3r^2+7r+1)+(4r^2-8r-2) my answer: 7r^2-r-1 3. (6h-1)-(9h+4) my answer: -3h-3 4.
7 answers
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Gabby
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