3=(2r+5)

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Solution for 3=(2r+5) equation: 



3=(2r+5)

We move all terms to the left:

3-((2r+5))=0



We calculate terms in parentheses: -((2r+5)), so:

(2r+5)

We get rid of parentheses

2r+5

Back to the equation:

-(2r+5)



We get rid of parentheses

-2r-5+3=0

We add all the numbers together, and all the variables

-2r-2=0

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

-2r=2

r=2/-2

r=-1

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