48=2(r-72)

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Solution for 48=2(r-72) equation: 



48=2(r-72)

We move all terms to the left:

48-(2(r-72))=0



We calculate terms in parentheses: -(2(r-72)), so:

2(r-72)

We multiply parentheses

2r-144

Back to the equation:

-(2r-144)



We get rid of parentheses

-2r+144+48=0

We add all the numbers together, and all the variables

-2r+192=0

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

-2r=-192

r=-192/-2

r=+96

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