3(-5r+12)=3(9r+12)+8r

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Solution for 3(-5r+12)=3(9r+12)+8r equation: 



3(-5r+12)=3(9r+12)+8r

We move all terms to the left:

3(-5r+12)-(3(9r+12)+8r)=0

We multiply parentheses

-15r-(3(9r+12)+8r)+36=0



We calculate terms in parentheses: -(3(9r+12)+8r), so:

3(9r+12)+8r

We add all the numbers together, and all the variables

8r+3(9r+12)

We multiply parentheses

8r+27r+36

We add all the numbers together, and all the variables

35r+36

Back to the equation:

-(35r+36)



We get rid of parentheses

-15r-35r-36+36=0

We add all the numbers together, and all the variables

-50r=0

r=0/-50

r=0

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