57.5=20+r/0.24

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Solution for 57.5=20+r/0.24 equation: 



57.5=20+r/0.24

We move all terms to the left:

57.5-(20+r/0.24)=0

We add all the numbers together, and all the variables

-(r/0.24+20)+57.5=0

We get rid of parentheses

-r/0.24-20+57.5=0

We multiply all the terms by the denominator


-r-20*0.24+(57.5)*0.24=0

We add all the numbers together, and all the variables

-1r+9=0

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

-r=-9

r=-9/-1

r=+9

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