7r-11=3r-18

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Solution for 7r-11=3r-18 equation: 



7r-11=3r-18

We move all terms to the left:

7r-11-(3r-18)=0

We get rid of parentheses

7r-3r+18-11=0

We add all the numbers together, and all the variables

4r+7=0

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

4r=-7

r=-7/4

r=-1+3/4

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