2r-8=9r-36

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Solution for 2r-8=9r-36 equation: 



2r-8=9r-36

We move all terms to the left:

2r-8-(9r-36)=0

We get rid of parentheses

2r-9r+36-8=0

We add all the numbers together, and all the variables

-7r+28=0

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

-7r=-28

r=-28/-7

r=+4

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