8r+18-12r=18-4r

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Solution for 8r+18-12r=18-4r equation: 



8r+18-12r=18-4r

We move all terms to the left:

8r+18-12r-(18-4r)=0

We add all the numbers together, and all the variables

8r-12r-(-4r+18)+18=0

We add all the numbers together, and all the variables

-4r-(-4r+18)+18=0

We get rid of parentheses

-4r+4r-18+18=0

We add all the numbers together, and all the variables

=0

r=0/1

r=0

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