3r-5=7r+11

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Solution for 3r-5=7r+11 equation: 



3r-5=7r+11

We move all terms to the left:

3r-5-(7r+11)=0

We get rid of parentheses

3r-7r-11-5=0

We add all the numbers together, and all the variables

-4r-16=0

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

-4r=16

r=16/-4

r=-4

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