(3x+11)+9x=42

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Solution for (3x+11)+9x=42 equation: 



(3x+11)+9x=42

We move all terms to the left:

(3x+11)+9x-(42)=0

We add all the numbers together, and all the variables

9x+(3x+11)-42=0

We get rid of parentheses

9x+3x+11-42=0

We add all the numbers together, and all the variables

12x-31=0

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

12x=31

x=31/12

x=2+7/12

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