7x-7=8x=8

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Solution for 7x-7=8x=8 equation: 



7x-7=8x=8

We move all terms to the left:

7x-7-(8x)=0

We add all the numbers together, and all the variables

-1x-7=0

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

-x=7

x=7/-1

x=-7

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