r/2=2r-12

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Solution for r/2=2r-12 equation: 



r/2=2r-12

We move all terms to the left:

r/2-(2r-12)=0

We get rid of parentheses

r/2-2r+12=0

We multiply all the terms by the denominator


r-2r*2+12*2=0

We add all the numbers together, and all the variables

r-2r*2+24=0

Wy multiply elements

r-4r+24=0

We add all the numbers together, and all the variables

-3r+24=0

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

-3r=-24

r=-24/-3

r=+8

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