42=-7(n-5)

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Solution for 42=-7(n-5) equation: 



42=-7(n-5)

We move all terms to the left:

42-(-7(n-5))=0



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

-7(n-5)

We multiply parentheses

-7n+35

Back to the equation:

-(-7n+35)



We get rid of parentheses

7n-35+42=0

We add all the numbers together, and all the variables

7n+7=0

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

7n=-7

n=-7/7

n=-1

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