9=2(7-n)+3

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Solution for 9=2(7-n)+3 equation: 



9=2(7-n)+3

We move all terms to the left:

9-(2(7-n)+3)=0

We add all the numbers together, and all the variables

-(2(-1n+7)+3)+9=0



We calculate terms in parentheses: -(2(-1n+7)+3), so:

2(-1n+7)+3

We multiply parentheses

-2n+14+3

We add all the numbers together, and all the variables

-2n+17

Back to the equation:

-(-2n+17)



We get rid of parentheses

2n-17+9=0

We add all the numbers together, and all the variables

2n-8=0

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

2n=8

n=8/2

n=4

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