3(2-x)+12x=42

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Solution for 3(2-x)+12x=42 equation: 



3(2-x)+12x=42

We move all terms to the left:

3(2-x)+12x-(42)=0

We add all the numbers together, and all the variables

3(-1x+2)+12x-42=0

We add all the numbers together, and all the variables

12x+3(-1x+2)-42=0

We multiply parentheses

12x-3x+6-42=0

We add all the numbers together, and all the variables

9x-36=0

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

9x=36

x=36/9

x=4

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