-4+3(-4r-10)=-10(r+2)

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Solution for -4+3(-4r-10)=-10(r+2) equation: 



-4+3(-4r-10)=-10(r+2)

We move all terms to the left:

-4+3(-4r-10)-(-10(r+2))=0

We multiply parentheses

-12r-(-10(r+2))-30-4=0



We calculate terms in parentheses: -(-10(r+2)), so:

-10(r+2)

We multiply parentheses

-10r-20

Back to the equation:

-(-10r-20)



We add all the numbers together, and all the variables

-12r-(-10r-20)-34=0

We get rid of parentheses

-12r+10r+20-34=0

We add all the numbers together, and all the variables

-2r-14=0

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

-2r=14

r=14/-2

r=-7

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