16-3.50=2.50r

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Solution for 16-3.50=2.50r equation: 



16-3.50=2.50r

We move all terms to the left:

16-3.50-(2.50r)=0

We add all the numbers together, and all the variables

-(+2.50r)+16-3.50=0

We add all the numbers together, and all the variables

-(+2.50r)+12.5=0

We get rid of parentheses

-2.50r+12.5=0

We add all the numbers together, and all the variables

-2.5r+12.5=0

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

-2.5r=-12.5

r=-12.5/-2.5

r=+5

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