r/18+8=13

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Solution for r/18+8=13 equation: 



r/18+8=13

We move all terms to the left:

r/18+8-(13)=0

We add all the numbers together, and all the variables

r/18-5=0

We multiply all the terms by the denominator


r-5*18=0

We add all the numbers together, and all the variables

r-90=0

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

r=90

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