-4(-4r+9)+-8=-8r+100

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Solution for -4(-4r+9)+-8=-8r+100 equation: 



-4(-4r+9)+-8=-8r+100

We move all terms to the left:

-4(-4r+9)+-8-(-8r+100)=0

We add all the numbers together, and all the variables

-4(-4r+9)-(-8r+100)=0

We multiply parentheses

16r-(-8r+100)-36=0

We get rid of parentheses

16r+8r-100-36=0

We add all the numbers together, and all the variables

24r-136=0

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

24r=136

r=136/24

r=5+2/3

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