4r-8=5r+12=

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



4r-8=5r+12=

We move all terms to the left:

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

We get rid of parentheses

4r-5r-12-8=0

We add all the numbers together, and all the variables

-1r-20=0

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

-r=20

r=20/-1

r=-20

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