5r+7r=3r+6r-36

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Solution for 5r+7r=3r+6r-36 equation: 



5r+7r=3r+6r-36

We move all terms to the left:

5r+7r-(3r+6r-36)=0

We add all the numbers together, and all the variables

5r+7r-(9r-36)=0

We add all the numbers together, and all the variables

12r-(9r-36)=0

We get rid of parentheses

12r-9r+36=0

We add all the numbers together, and all the variables

3r+36=0

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

3r=-36

r=-36/3

r=-12

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