1+3r+8r=23

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Solution for 1+3r+8r=23 equation: 



1+3r+8r=23

We move all terms to the left:

1+3r+8r-(23)=0

We add all the numbers together, and all the variables

11r-22=0

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

11r=22

r=22/11

r=2

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