141=3(7-5n)

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Solution for 141=3(7-5n) equation: 



141=3(7-5n)

We move all terms to the left:

141-(3(7-5n))=0

We add all the numbers together, and all the variables

-(3(-5n+7))+141=0



We calculate terms in parentheses: -(3(-5n+7)), so:

3(-5n+7)

We multiply parentheses

-15n+21

Back to the equation:

-(-15n+21)



We get rid of parentheses

15n-21+141=0

We add all the numbers together, and all the variables

15n+120=0

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

15n=-120

n=-120/15

n=-8

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