7r-2=10

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Solution for 7r-2=10 equation: 



7r-2=10

We move all terms to the left:

7r-2-(10)=0

We add all the numbers together, and all the variables

7r-12=0

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

7r=12

r=12/7

r=1+5/7

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