-2+7=-r

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Solution for -2+7=-r equation:



-2+7=-r
We move all terms to the left:
-2+7-(-r)=0
We add all the numbers together, and all the variables
-(-1r)-2+7=0
We add all the numbers together, and all the variables
-(-1r)+5=0
We get rid of parentheses
1r+5=0
We add all the numbers together, and all the variables
r+5=0
We move all terms containing r to the left, all other terms to the right
r=-5

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