3r+15+5r-27=90

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Solution for 3r+15+5r-27=90 equation: 



3r+15+5r-27=90

We move all terms to the left:

3r+15+5r-27-(90)=0

We add all the numbers together, and all the variables

8r-102=0

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

8r=102

r=102/8

r=12+3/4

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