-4=-4-7n+7n

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Solution for -4=-4-7n+7n equation: 



-4=-4-7n+7n

We move all terms to the left:

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

We add all the numbers together, and all the variables

-4-(-4)=0

We add all the numbers together, and all the variables

=0

n=0/1

n=0

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