2x+x=429

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Solution for 2x+x=429 equation: 



2x+x=429

We move all terms to the left:

2x+x-(429)=0

We add all the numbers together, and all the variables

3x-429=0

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

3x=429

x=429/3

x=143

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