2x+4x+8x=420

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Solution for 2x+4x+8x=420 equation: 



2x+4x+8x=420

We move all terms to the left:

2x+4x+8x-(420)=0

We add all the numbers together, and all the variables

14x-420=0

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

14x=420

x=420/14

x=30

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