12r=14r+20

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Solution for 12r=14r+20 equation: 



12r=14r+20

We move all terms to the left:

12r-(14r+20)=0

We get rid of parentheses

12r-14r-20=0

We add all the numbers together, and all the variables

-2r-20=0

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

-2r=20

r=20/-2

r=-10

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