12r-18-17=13+16r

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Solution for 12r-18-17=13+16r equation: 



12r-18-17=13+16r

We move all terms to the left:

12r-18-17-(13+16r)=0

We add all the numbers together, and all the variables

12r-(16r+13)-18-17=0

We add all the numbers together, and all the variables

12r-(16r+13)-35=0

We get rid of parentheses

12r-16r-13-35=0

We add all the numbers together, and all the variables

-4r-48=0

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

-4r=48

r=48/-4

r=-12

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