7r-8=5-3r

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Solution for 7r-8=5-3r equation: 



7r-8=5-3r

We move all terms to the left:

7r-8-(5-3r)=0

We add all the numbers together, and all the variables

7r-(-3r+5)-8=0

We get rid of parentheses

7r+3r-5-8=0

We add all the numbers together, and all the variables

10r-13=0

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

10r=13

r=13/10

r=1+3/10

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