4(r+1)=-5r+31

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Solution for 4(r+1)=-5r+31 equation: 



4(r+1)=-5r+31

We move all terms to the left:

4(r+1)-(-5r+31)=0

We multiply parentheses

4r-(-5r+31)+4=0

We get rid of parentheses

4r+5r-31+4=0

We add all the numbers together, and all the variables

9r-27=0

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

9r=27

r=27/9

r=3

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