-7r-18=18-5r

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Solution for -7r-18=18-5r equation: 



-7r-18=18-5r

We move all terms to the left:

-7r-18-(18-5r)=0

We add all the numbers together, and all the variables

-7r-(-5r+18)-18=0

We get rid of parentheses

-7r+5r-18-18=0

We add all the numbers together, and all the variables

-2r-36=0

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

-2r=36

r=36/-2

r=-18

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