4(r-2)=13

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Solution for 4(r-2)=13 equation: 



4(r-2)=13

We move all terms to the left:

4(r-2)-(13)=0

We multiply parentheses

4r-8-13=0

We add all the numbers together, and all the variables

4r-21=0

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

4r=21

r=21/4

r=5+1/4

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