10-r=2r

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Solution for 10-r=2r equation: 



10-r=2r

We move all terms to the left:

10-r-(2r)=0

We add all the numbers together, and all the variables

-3r+10=0

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

-3r=-10

r=-10/-3

r=3+1/3

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