40+2n=-3(-5+n)

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Solution for 40+2n=-3(-5+n) equation: 



40+2n=-3(-5+n)

We move all terms to the left:

40+2n-(-3(-5+n))=0

We add all the numbers together, and all the variables

2n-(-3(n-5))+40=0



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

-3(n-5)

We multiply parentheses

-3n+15

Back to the equation:

-(-3n+15)



We get rid of parentheses

2n+3n-15+40=0

We add all the numbers together, and all the variables

5n+25=0

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

5n=-25

n=-25/5

n=-5

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