2.9r-9.89-6.9r=3.7r-7.97

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Solution for 2.9r-9.89-6.9r=3.7r-7.97 equation: 



2.9r-9.89-6.9r=3.7r-7.97

We move all terms to the left:

2.9r-9.89-6.9r-(3.7r-7.97)=0

We add all the numbers together, and all the variables

-4r-(3.7r-7.97)-9.89=0

We get rid of parentheses

-4r-3.7r+7.97-9.89=0

We add all the numbers together, and all the variables

-7.7r-1.92=0

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

-7.7r=1.92

r=1.92/-7.7

r=-1/4.0104166666667

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