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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-3r-(-5(r+6))-12=0



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

-5(r+6)

We multiply parentheses

-5r-30

Back to the equation:

-(-5r-30)



We get rid of parentheses

-3r+5r+30-12=0

We add all the numbers together, and all the variables

2r+18=0

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

2r=-18

r=-18/2

r=-9

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