1.25r-7.50=20

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Solution for 1.25r-7.50=20 equation: 



1.25r-7.50=20

We move all terms to the left:

1.25r-7.50-(20)=0

We add all the numbers together, and all the variables

1.25r-27.5=0

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

1.25r=27.5

r=27.5/1.25

r=22

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