3=0.5(r+2.75)

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Solution for 3=0.5(r+2.75) equation: 



3=0.5(r+2.75)

We move all terms to the left:

3-(0.5(r+2.75))=0



We calculate terms in parentheses: -(0.5(r+2.75)), so:

0.5(r+2.75)

We multiply parentheses

0.5r+1.375

Back to the equation:

-(0.5r+1.375)



We get rid of parentheses

-0.5r-1.375+3=0

We add all the numbers together, and all the variables

-0.5r+1.625=0

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

-0.5r=-1.625

r=-1.625/-0.5

r=3+0.125/0.5

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