r+90=3r-94

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Solution for r+90=3r-94 equation: 



r+90=3r-94

We move all terms to the left:

r+90-(3r-94)=0

We get rid of parentheses

r-3r+94+90=0

We add all the numbers together, and all the variables

-2r+184=0

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

-2r=-184

r=-184/-2

r=+92

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