-7+r/3=-1

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Solution for -7+r/3=-1 equation: 



-7+r/3=-1

We move all terms to the left:

-7+r/3-(-1)=0

We add all the numbers together, and all the variables

r/3-6=0

We multiply all the terms by the denominator


r-6*3=0

We add all the numbers together, and all the variables

r-18=0

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

r=18

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