8(1+2r)=-104

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Solution for 8(1+2r)=-104 equation: 



8(1+2r)=-104

We move all terms to the left:

8(1+2r)-(-104)=0

We add all the numbers together, and all the variables

8(2r+1)-(-104)=0

We add all the numbers together, and all the variables

8(2r+1)+104=0

We multiply parentheses

16r+8+104=0

We add all the numbers together, and all the variables

16r+112=0

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

16r=-112

r=-112/16

r=-7

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