(1-2n)4-(-7n)=-4

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Solution for (1-2n)4-(-7n)=-4 equation: 



(1-2n)4-(-7n)=-4

We move all terms to the left:

(1-2n)4-(-7n)-(-4)=0

We add all the numbers together, and all the variables

(-2n+1)4-(-7n)-(-4)=0

We add all the numbers together, and all the variables

(-2n+1)4-(-7n)+4=0

We multiply parentheses

-8n-(-7n)+4+4=0

We get rid of parentheses

-8n+7n+4+4=0

We add all the numbers together, and all the variables

-1n+8=0

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

-n=-8

n=-8/-1

n=+8

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