3(2x-9)+x=12

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Solution for 3(2x-9)+x=12 equation: 



3(2x-9)+x=12

We move all terms to the left:

3(2x-9)+x-(12)=0

We add all the numbers together, and all the variables

x+3(2x-9)-12=0

We multiply parentheses

x+6x-27-12=0

We add all the numbers together, and all the variables

7x-39=0

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

7x=39

x=39/7

x=5+4/7

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