5n+10n=2(11+9n)+10(n-10)

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Solution for 5n+10n=2(11+9n)+10(n-10) equation: 



5n+10n=2(11+9n)+10(n-10)

We move all terms to the left:

5n+10n-(2(11+9n)+10(n-10))=0

We add all the numbers together, and all the variables

5n+10n-(2(9n+11)+10(n-10))=0

We add all the numbers together, and all the variables

15n-(2(9n+11)+10(n-10))=0



We calculate terms in parentheses: -(2(9n+11)+10(n-10)), so:

2(9n+11)+10(n-10)

We multiply parentheses

18n+10n+22-100

We add all the numbers together, and all the variables

28n-78

Back to the equation:

-(28n-78)



We get rid of parentheses

15n-28n+78=0

We add all the numbers together, and all the variables

-13n+78=0

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

-13n=-78

n=-78/-13

n=+6

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