3x+9+4x+x=3x+9+4x+x=8x+9

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Solution for 3x+9+4x+x=3x+9+4x+x=8x+9 equation: 



3x+9+4x+x=3x+9+4x+x=8x+9

We move all terms to the left:

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

We add all the numbers together, and all the variables

3x+4x+x-(8x+9)+9=0

We add all the numbers together, and all the variables

8x-(8x+9)+9=0

We get rid of parentheses

8x-8x-9+9=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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