10n+5n=7(n-4)+12(n+4)

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Solution for 10n+5n=7(n-4)+12(n+4) equation: 



10n+5n=7(n-4)+12(n+4)

We move all terms to the left:

10n+5n-(7(n-4)+12(n+4))=0

We add all the numbers together, and all the variables

15n-(7(n-4)+12(n+4))=0



We calculate terms in parentheses: -(7(n-4)+12(n+4)), so:

7(n-4)+12(n+4)

We multiply parentheses

7n+12n-28+48

We add all the numbers together, and all the variables

19n+20

Back to the equation:

-(19n+20)



We get rid of parentheses

15n-19n-20=0

We add all the numbers together, and all the variables

-4n-20=0

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

-4n=20

n=20/-4

n=-5

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