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

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



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

We move all terms to the left:

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

We multiply parentheses

4r-(2(r+4))-16=0



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

2(r+4)

We multiply parentheses

2r+8

Back to the equation:

-(2r+8)



We get rid of parentheses

4r-2r-8-16=0

We add all the numbers together, and all the variables

2r-24=0

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

2r=24

r=24/2

r=12

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