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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

4x-(2(+3x))+9=0



We calculate terms in parentheses: -(2(+3x)), so:

2(+3x)

We multiply parentheses

6x

Back to the equation:

-(6x)



We add all the numbers together, and all the variables

-2x+9=0

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

-2x=-9

x=-9/-2

x=4+1/2

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