8(2r+4)=-8-4r

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Solution for 8(2r+4)=-8-4r equation: 



8(2r+4)=-8-4r

We move all terms to the left:

8(2r+4)-(-8-4r)=0

We add all the numbers together, and all the variables

8(2r+4)-(-4r-8)=0

We multiply parentheses

16r-(-4r-8)+32=0

We get rid of parentheses

16r+4r+8+32=0

We add all the numbers together, and all the variables

20r+40=0

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

20r=-40

r=-40/20

r=-2

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