-3(4+5r)-7r=6(6-5r)

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Solution for -3(4+5r)-7r=6(6-5r) equation: 



-3(4+5r)-7r=6(6-5r)

We move all terms to the left:

-3(4+5r)-7r-(6(6-5r))=0

We add all the numbers together, and all the variables

-3(5r+4)-7r-(6(-5r+6))=0

We add all the numbers together, and all the variables

-7r-3(5r+4)-(6(-5r+6))=0

We multiply parentheses

-7r-15r-(6(-5r+6))-12=0



We calculate terms in parentheses: -(6(-5r+6)), so:

6(-5r+6)

We multiply parentheses

-30r+36

Back to the equation:

-(-30r+36)



We add all the numbers together, and all the variables

-22r-(-30r+36)-12=0

We get rid of parentheses

-22r+30r-36-12=0

We add all the numbers together, and all the variables

8r-48=0

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

8r=48

r=48/8

r=6

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