7(9r-10)=-7r

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Solution for 7(9r-10)=-7r equation:



7(9r-10)=-7r
We move all terms to the left:
7(9r-10)-(-7r)=0
We multiply parentheses
63r-(-7r)-70=0
We get rid of parentheses
63r+7r-70=0
We add all the numbers together, and all the variables
70r-70=0
We move all terms containing r to the left, all other terms to the right
70r=70
r=70/70
r=1

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