-7=r/12+7

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Solution for -7=r/12+7 equation: 



-7=r/12+7

We move all terms to the left:

-7-(r/12+7)=0

We get rid of parentheses

-r/12-7-7=0

We multiply all the terms by the denominator


-r-7*12-7*12=0

We add all the numbers together, and all the variables

-1r-168=0

We move all terms containing r to the left, all other terms to the right

-r=168

r=168/-1

r=-168

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