2x+x+x=42

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Solution for 2x+x+x=42 equation: 



2x+x+x=42

We move all terms to the left:

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

We add all the numbers together, and all the variables

4x-42=0

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

4x=42

x=42/4

x=10+1/2

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