7r-10=5

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Solution for 7r-10=5 equation: 



7r-10=5

We move all terms to the left:

7r-10-(5)=0

We add all the numbers together, and all the variables

7r-15=0

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

7r=15

r=15/7

r=2+1/7

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