3x+3x+3x+5x=42

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Solution for 3x+3x+3x+5x=42 equation: 



3x+3x+3x+5x=42

We move all terms to the left:

3x+3x+3x+5x-(42)=0

We add all the numbers together, and all the variables

14x-42=0

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

14x=42

x=42/14

x=3

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