40=-4(7n+2)-8

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Solution for 40=-4(7n+2)-8 equation: 



40=-4(7n+2)-8

We move all terms to the left:

40-(-4(7n+2)-8)=0



We calculate terms in parentheses: -(-4(7n+2)-8), so:

-4(7n+2)-8

We multiply parentheses

-28n-8-8

We add all the numbers together, and all the variables

-28n-16

Back to the equation:

-(-28n-16)



We get rid of parentheses

28n+16+40=0

We add all the numbers together, and all the variables

28n+56=0

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

28n=-56

n=-56/28

n=-2

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