2x+2x=420

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Solution for 2x+2x=420 equation: 



2x+2x=420

We move all terms to the left:

2x+2x-(420)=0

We add all the numbers together, and all the variables

4x-420=0

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

4x=420

x=420/4

x=105

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