3.68=2r-(-1.68)

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Solution for 3.68=2r-(-1.68) equation: 



3.68=2r-(-1.68)

We move all terms to the left:

3.68-(2r-(-1.68))=0



We calculate terms in parentheses: -(2r-(-1.68)), so:

2r-(-1.68)

We add all the numbers together, and all the variables

2r+1.68

Back to the equation:

-(2r+1.68)



We get rid of parentheses

-2r-1.68+3.68=0

We add all the numbers together, and all the variables

-2r+2=0

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

-2r=-2

r=-2/-2

r=1

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