SOLUTION: -y+3y-6y+12y

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Question 1047083: -y+3y-6y+12y
Answer by addingup(3677) About Me  (Show Source):
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-y+3y-6y+12y
-y is the same as -1y same as -1. Add:
-1+3-6+12 = 8
Now add the y back
Answer: 8y