5r=2r-(-12)

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



5r=2r-(-12)

We move all terms to the left:

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



We calculate terms in parentheses: -(2r-(-12)), so:

2r-(-12)

We add all the numbers together, and all the variables

2r+12

Back to the equation:

-(2r+12)



We get rid of parentheses

5r-2r-12=0

We add all the numbers together, and all the variables

3r-12=0

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

3r=12

r=12/3

r=4

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