(X+9)+4=(9+x)+4

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Solution for (X+9)+4=(9+x)+4 equation: 



(X+9)+4=(9+X)+4

We move all terms to the left:

(X+9)+4-((9+X)+4)=0

We add all the numbers together, and all the variables

(X+9)-((X+9)+4)+4=0

We get rid of parentheses

X-((X+9)+4)+9+4=0



We calculate terms in parentheses: -((X+9)+4), so:

(X+9)+4

We get rid of parentheses

X+9+4

We add all the numbers together, and all the variables

X+13

Back to the equation:

-(X+13)



We add all the numbers together, and all the variables

X-(X+13)+13=0

We get rid of parentheses

X-X-13+13=0

We add all the numbers together, and all the variables

=0

X=0/1

X=0

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