-2r+15=4r+39

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Solution for -2r+15=4r+39 equation: 



-2r+15=4r+39

We move all terms to the left:

-2r+15-(4r+39)=0

We get rid of parentheses

-2r-4r-39+15=0

We add all the numbers together, and all the variables

-6r-24=0

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

-6r=24

r=24/-6

r=-4

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