7n+5(8-4n)+16n=3(n-40)

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Solution for 7n+5(8-4n)+16n=3(n-40) equation: 



7n+5(8-4n)+16n=3(n-40)

We move all terms to the left:

7n+5(8-4n)+16n-(3(n-40))=0

We add all the numbers together, and all the variables

7n+5(-4n+8)+16n-(3(n-40))=0

We add all the numbers together, and all the variables

23n+5(-4n+8)-(3(n-40))=0

We multiply parentheses

23n-20n-(3(n-40))+40=0



We calculate terms in parentheses: -(3(n-40)), so:

3(n-40)

We multiply parentheses

3n-120

Back to the equation:

-(3n-120)



We add all the numbers together, and all the variables

3n-(3n-120)+40=0

We get rid of parentheses

3n-3n+120+40=0

We add all the numbers together, and all the variables

160!=0

There is no solution for this equation

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