3-2r=3+2(r-4)

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Solution for 3-2r=3+2(r-4) equation: 



3-2r=3+2(r-4)

We move all terms to the left:

3-2r-(3+2(r-4))=0



We calculate terms in parentheses: -(3+2(r-4)), so:

3+2(r-4)

determiningTheFunctionDomain
2(r-4)+3

We multiply parentheses

2r-8+3

We add all the numbers together, and all the variables

2r-5

Back to the equation:

-(2r-5)



We get rid of parentheses

-2r-2r+5+3=0

We add all the numbers together, and all the variables

-4r+8=0

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

-4r=-8

r=-8/-4

r=+2

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