5r-121.5=2.5r+20

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Solution for 5r-121.5=2.5r+20 equation: 



5r-121.5=2.5r+20

We move all terms to the left:

5r-121.5-(2.5r+20)=0

We get rid of parentheses

5r-2.5r-20-121.5=0

We add all the numbers together, and all the variables

2.5r-141.5=0

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

2.5r=141.5

r=141.5/2.5

r=56+1/1.6666666666667

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