3r=13-2+5/2

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Solution for 3r=13-2+5/2 equation: 



3r=13-2+5/2

We move all terms to the left:

3r-(13-2+5/2)=0

We add all the numbers together, and all the variables

3r-(5/2+11)=0

We get rid of parentheses

3r-11-5/2=0

We multiply all the terms by the denominator


3r*2-5-11*2=0

We add all the numbers together, and all the variables

3r*2-27=0

Wy multiply elements

6r-27=0

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

6r=27

r=27/6

r=4+1/2

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