7-7r=-3-8r

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Solution for 7-7r=-3-8r equation:



7-7r=-3-8r
We move all terms to the left:
7-7r-(-3-8r)=0
We add all the numbers together, and all the variables
-7r-(-8r-3)+7=0
We get rid of parentheses
-7r+8r+3+7=0
We add all the numbers together, and all the variables
r+10=0
We move all terms containing r to the left, all other terms to the right
r=-10

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