r/2=2.5

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Solution for r/2=2.5 equation: 



r/2=2.5

We move all terms to the left:

r/2-(2.5)=0

We add all the numbers together, and all the variables

r/2-2.5=0

We multiply all the terms by the denominator


r-(2.5)*2=0

We add all the numbers together, and all the variables

r-5=0

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

r=5

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