-7(n-1)+7(-3n-1)=-28

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Solution for -7(n-1)+7(-3n-1)=-28 equation: 



-7(n-1)+7(-3n-1)=-28

We move all terms to the left:

-7(n-1)+7(-3n-1)-(-28)=0

We add all the numbers together, and all the variables

-7(n-1)+7(-3n-1)+28=0

We multiply parentheses

-7n-21n+7-7+28=0

We add all the numbers together, and all the variables

-28n+28=0

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

-28n=-28

n=-28/-28

n=1

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