2r-12=2(5-5r)+2

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Solution for 2r-12=2(5-5r)+2 equation: 



2r-12=2(5-5r)+2

We move all terms to the left:

2r-12-(2(5-5r)+2)=0

We add all the numbers together, and all the variables

2r-(2(-5r+5)+2)-12=0



We calculate terms in parentheses: -(2(-5r+5)+2), so:

2(-5r+5)+2

We multiply parentheses

-10r+10+2

We add all the numbers together, and all the variables

-10r+12

Back to the equation:

-(-10r+12)



We get rid of parentheses

2r+10r-12-12=0

We add all the numbers together, and all the variables

12r-24=0

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

12r=24

r=24/12

r=2

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