4r-5=2r+12-8r+13

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Solution for 4r-5=2r+12-8r+13 equation: 



4r-5=2r+12-8r+13

We move all terms to the left:

4r-5-(2r+12-8r+13)=0

We add all the numbers together, and all the variables

4r-(-6r+25)-5=0

We get rid of parentheses

4r+6r-25-5=0

We add all the numbers together, and all the variables

10r-30=0

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

10r=30

r=30/10

r=3

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