40=-2(3n-4)

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Solution for 40=-2(3n-4) equation: 



40=-2(3n-4)

We move all terms to the left:

40-(-2(3n-4))=0



We calculate terms in parentheses: -(-2(3n-4)), so:

-2(3n-4)

We multiply parentheses

-6n+8

Back to the equation:

-(-6n+8)



We get rid of parentheses

6n-8+40=0

We add all the numbers together, and all the variables

6n+32=0

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

6n=-32

n=-32/6

n=-5+1/3

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