3x+3x=4x-9

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Solution for 3x+3x=4x-9 equation: 



3x+3x=4x-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

6x-(4x-9)=0

We get rid of parentheses

6x-4x+9=0

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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