7n+40=-2(1-7n)

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Solution for 7n+40=-2(1-7n) equation: 



7n+40=-2(1-7n)

We move all terms to the left:

7n+40-(-2(1-7n))=0

We add all the numbers together, and all the variables

7n-(-2(-7n+1))+40=0



We calculate terms in parentheses: -(-2(-7n+1)), so:

-2(-7n+1)

We multiply parentheses

14n-2

Back to the equation:

-(14n-2)



We get rid of parentheses

7n-14n+2+40=0

We add all the numbers together, and all the variables

-7n+42=0

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

-7n=-42

n=-42/-7

n=+6

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