X+9+(2x-6)=12

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Solution for X+9+(2x-6)=12 equation: 



X+9+(2X-6)=12

We move all terms to the left:

X+9+(2X-6)-(12)=0

We add all the numbers together, and all the variables

X+(2X-6)-3=0

We get rid of parentheses

X+2X-6-3=0

We add all the numbers together, and all the variables

3X-9=0

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

3X=9

X=9/3

X=3

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