8x-9x=7

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Solution for 8x-9x=7 equation: 



8x-9x=7

We move all terms to the left:

8x-9x-(7)=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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