5.5(3r-7.8)=87.8

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Solution for 5.5(3r-7.8)=87.8 equation: 



5.5(3r-7.8)=87.8

We move all terms to the left:

5.5(3r-7.8)-(87.8)=0

We add all the numbers together, and all the variables

5.5(3r-7.8)-87.8=0

We multiply parentheses

16.5r-42.9-87.8=0

We add all the numbers together, and all the variables

16.5r-130.7=0

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

16.5r=130.7

r=130.7/16.5

r=7+12.666666666667/13.75

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