4n+40=4(7n+5)-4n

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



4n+40=4(7n+5)-4n

We move all terms to the left:

4n+40-(4(7n+5)-4n)=0



We calculate terms in parentheses: -(4(7n+5)-4n), so:

4(7n+5)-4n

We add all the numbers together, and all the variables

-4n+4(7n+5)

We multiply parentheses

-4n+28n+20

We add all the numbers together, and all the variables

24n+20

Back to the equation:

-(24n+20)



We get rid of parentheses

4n-24n-20+40=0

We add all the numbers together, and all the variables

-20n+20=0

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

-20n=-20

n=-20/-20

n=1

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