80-x=8x

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Solution for 80-x=8x equation: 



80-x=8x

We move all terms to the left:

80-x-(8x)=0

We add all the numbers together, and all the variables

-9x+80=0

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

-9x=-80

x=-80/-9

x=8+8/9

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