3(8-7r)=12+5(r+8)

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Solution for 3(8-7r)=12+5(r+8) equation: 



3(8-7r)=12+5(r+8)

We move all terms to the left:

3(8-7r)-(12+5(r+8))=0

We add all the numbers together, and all the variables

3(-7r+8)-(12+5(r+8))=0

We multiply parentheses

-21r-(12+5(r+8))+24=0



We calculate terms in parentheses: -(12+5(r+8)), so:

12+5(r+8)

determiningTheFunctionDomain
5(r+8)+12

We multiply parentheses

5r+40+12

We add all the numbers together, and all the variables

5r+52

Back to the equation:

-(5r+52)



We get rid of parentheses

-21r-5r-52+24=0

We add all the numbers together, and all the variables

-26r-28=0

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

-26r=28

r=28/-26

r=-1+1/13

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