-23=4-3r

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Solution for -23=4-3r equation: 



-23=4-3r

We move all terms to the left:

-23-(4-3r)=0

We add all the numbers together, and all the variables

-(-3r+4)-23=0

We get rid of parentheses

3r-4-23=0

We add all the numbers together, and all the variables

3r-27=0

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

3r=27

r=27/3

r=9

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