8x-x=90

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Solution for 8x-x=90 equation: 



8x-x=90

We move all terms to the left:

8x-x-(90)=0

We add all the numbers together, and all the variables

7x-90=0

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

7x=90

x=90/7

x=12+6/7

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