3(1+2x)-x=2x-9

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Solution for 3(1+2x)-x=2x-9 equation: 



3(1+2x)-x=2x-9

We move all terms to the left:

3(1+2x)-x-(2x-9)=0

We add all the numbers together, and all the variables

3(2x+1)-x-(2x-9)=0

We add all the numbers together, and all the variables

-1x+3(2x+1)-(2x-9)=0

We multiply parentheses

-1x+6x-(2x-9)+3=0

We get rid of parentheses

-1x+6x-2x+9+3=0

We add all the numbers together, and all the variables

3x+12=0

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

3x=-12

x=-12/3

x=-4

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