x-42=8x

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Solution for x-42=8x equation: 



x-42=8x

We move all terms to the left:

x-42-(8x)=0

We add all the numbers together, and all the variables

-7x-42=0

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

-7x=42

x=42/-7

x=-6

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