12-20=n(3-5)

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Solution for 12-20=n(3-5) equation: 



12-20=n(3-5)

We move all terms to the left:

12-20-(n(3-5))=0

We add all the numbers together, and all the variables

-(n(-2))+12-20=0

We add all the numbers together, and all the variables

-(n(-2))-8=0



We calculate terms in parentheses: -(n(-2)), so:

n(-2)

We multiply parentheses

-2n

Back to the equation:

-(-2n)



We get rid of parentheses

2n-8=0

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

2n=8

n=8/2

n=4

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