15-n=-3(7n-5)

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Solution for 15-n=-3(7n-5) equation: 



15-n=-3(7n-5)

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1n-(-3(7n-5))+15=0



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

-3(7n-5)

We multiply parentheses

-21n+15

Back to the equation:

-(-21n+15)



We get rid of parentheses

-1n+21n-15+15=0

We add all the numbers together, and all the variables

20n=0

n=0/20

n=0

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