3x+3x=9+20

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Solution for 3x+3x=9+20 equation: 



3x+3x=9+20

We move all terms to the left:

3x+3x-(9+20)=0

We add all the numbers together, and all the variables

3x+3x-29=0

We add all the numbers together, and all the variables

6x-29=0

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

6x=29

x=29/6

x=4+5/6

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