0.75r+7r=8.75

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Solution for 0.75r+7r=8.75 equation: 



0.75r+7r=8.75

We move all terms to the left:

0.75r+7r-(8.75)=0

We add all the numbers together, and all the variables

7.75r-8.75=0

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

7.75r=8.75

r=8.75/7.75

r=1+1/7.75

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