420-5x;x=2

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Solution for 420-5x;x=2 equation: 



420-5xx=2

We move all terms to the left:

420-5xx-(2)=0

We add all the numbers together, and all the variables

-5xx+418=0

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

-5xx=-418

x=-418/1

x=-418

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