(5r+8)=7r-8

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Solution for (5r+8)=7r-8 equation: 



(5r+8)=7r-8

We move all terms to the left:

(5r+8)-(7r-8)=0

We get rid of parentheses

5r-7r+8+8=0

We add all the numbers together, and all the variables

-2r+16=0

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

-2r=-16

r=-16/-2

r=+8

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