r+7.9=8r+3

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Solution for r+7.9=8r+3 equation: 



r+7.9=8r+3

We move all terms to the left:

r+7.9-(8r+3)=0

We get rid of parentheses

r-8r-3+7.9=0

We add all the numbers together, and all the variables

-7r+4.9=0

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

-7r=-4.9

r=-4.9/-7

r=2.57894736842/3.68421052632

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