3r+7=10r+27

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Solution for 3r+7=10r+27 equation: 



3r+7=10r+27

We move all terms to the left:

3r+7-(10r+27)=0

We get rid of parentheses

3r-10r-27+7=0

We add all the numbers together, and all the variables

-7r-20=0

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

-7r=20

r=20/-7

r=-2+6/7

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