4r+8+5=15-3r

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Solution for 4r+8+5=15-3r equation: 



4r+8+5=15-3r

We move all terms to the left:

4r+8+5-(15-3r)=0

We add all the numbers together, and all the variables

4r-(-3r+15)+8+5=0

We add all the numbers together, and all the variables

4r-(-3r+15)+13=0

We get rid of parentheses

4r+3r-15+13=0

We add all the numbers together, and all the variables

7r-2=0

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

7r=2

r=2/7

r=2/7

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