23=1-5r+2

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Solution for 23=1-5r+2 equation: 



23=1-5r+2

We move all terms to the left:

23-(1-5r+2)=0

We add all the numbers together, and all the variables

-(-5r+3)+23=0

We get rid of parentheses

5r-3+23=0

We add all the numbers together, and all the variables

5r+20=0

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

5r=-20

r=-20/5

r=-4

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