4=(x+9)+2x

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Solution for 4=(x+9)+2x equation: 



4=(x+9)+2x

We move all terms to the left:

4-((x+9)+2x)=0



We calculate terms in parentheses: -((x+9)+2x), so:

(x+9)+2x

We add all the numbers together, and all the variables

2x+(x+9)

We get rid of parentheses

2x+x+9

We add all the numbers together, and all the variables

3x+9

Back to the equation:

-(3x+9)



We get rid of parentheses

-3x-9+4=0

We add all the numbers together, and all the variables

-3x-5=0

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

-3x=5

x=5/-3

x=-1+2/3

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