3r+3r=7(4r+8)-5(5r+4)

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Solution for 3r+3r=7(4r+8)-5(5r+4) equation: 



3r+3r=7(4r+8)-5(5r+4)

We move all terms to the left:

3r+3r-(7(4r+8)-5(5r+4))=0

We add all the numbers together, and all the variables

6r-(7(4r+8)-5(5r+4))=0



We calculate terms in parentheses: -(7(4r+8)-5(5r+4)), so:

7(4r+8)-5(5r+4)

We multiply parentheses

28r-25r+56-20

We add all the numbers together, and all the variables

3r+36

Back to the equation:

-(3r+36)



We get rid of parentheses

6r-3r-36=0

We add all the numbers together, and all the variables

3r-36=0

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

3r=36

r=36/3

r=12

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