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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