7r+7-6r=13

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Solution for 7r+7-6r=13 equation: 



7r+7-6r=13

We move all terms to the left:

7r+7-6r-(13)=0

We add all the numbers together, and all the variables

r-6=0

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

r=6

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