-4r-3(4r-7)=-19-8r

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Solution for -4r-3(4r-7)=-19-8r equation: 



-4r-3(4r-7)=-19-8r

We move all terms to the left:

-4r-3(4r-7)-(-19-8r)=0

We add all the numbers together, and all the variables

-4r-3(4r-7)-(-8r-19)=0

We multiply parentheses

-4r-12r-(-8r-19)+21=0

We get rid of parentheses

-4r-12r+8r+19+21=0

We add all the numbers together, and all the variables

-8r+40=0

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

-8r=-40

r=-40/-8

r=+5

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