-5(3n+4)=20

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Solution for -5(3n+4)=20 equation: 



-5(3n+4)=20

We move all terms to the left:

-5(3n+4)-(20)=0

We multiply parentheses

-15n-20-20=0

We add all the numbers together, and all the variables

-15n-40=0

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

-15n=40

n=40/-15

n=-2+2/3

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