3x+9+4x+x=X+3

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

8x-x-3+9=0

We add all the numbers together, and all the variables

7x+6=0

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

7x=-6

x=-6/7

x=-6/7

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