10r-4r=-2(r-1)+2(r+11)

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Solution for 10r-4r=-2(r-1)+2(r+11) equation: 



10r-4r=-2(r-1)+2(r+11)

We move all terms to the left:

10r-4r-(-2(r-1)+2(r+11))=0

We add all the numbers together, and all the variables

6r-(-2(r-1)+2(r+11))=0



We calculate terms in parentheses: -(-2(r-1)+2(r+11)), so:

-2(r-1)+2(r+11)

We multiply parentheses

-2r+2r+2+22

We add all the numbers together, and all the variables

24

Back to the equation:

-(24)



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

6r=24

r=24/6

r=4

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