4+9n=2(10-5n)

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Solution for 4+9n=2(10-5n) equation: 



4+9n=2(10-5n)

We move all terms to the left:

4+9n-(2(10-5n))=0

We add all the numbers together, and all the variables

9n-(2(-5n+10))+4=0



We calculate terms in parentheses: -(2(-5n+10)), so:

2(-5n+10)

We multiply parentheses

-10n+20

Back to the equation:

-(-10n+20)



We get rid of parentheses

9n+10n-20+4=0

We add all the numbers together, and all the variables

19n-16=0

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

19n=16

n=16/19

n=16/19

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