-4(7-4n)=100

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Solution for -4(7-4n)=100 equation: 



-4(7-4n)=100

We move all terms to the left:

-4(7-4n)-(100)=0

We add all the numbers together, and all the variables

-4(-4n+7)-100=0

We multiply parentheses

16n-28-100=0

We add all the numbers together, and all the variables

16n-128=0

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

16n=128

n=128/16

n=8

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