x-9=7x=28

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Solution for x-9=7x=28 equation: 



x-9=7x=28

We move all terms to the left:

x-9-(7x)=0

We add all the numbers together, and all the variables

-6x-9=0

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

-6x=9

x=9/-6

x=-1+1/2

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