(3x+9)=(x+4)

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Solution for (3x+9)=(x+4) equation: 



(3x+9)=(x+4)

We move all terms to the left:

(3x+9)-((x+4))=0

We get rid of parentheses

3x-((x+4))+9=0



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

(x+4)

We get rid of parentheses

x+4

Back to the equation:

-(x+4)



We get rid of parentheses

3x-x-4+9=0

We add all the numbers together, and all the variables

2x+5=0

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

2x=-5

x=-5/2

x=-2+1/2

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