I can do these normally but this one has confused me.
Then I get
This is wrong, why?
x is supposed to = -8
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I assume that the starting equation is actually .
You are correct up to .
That's right. but where's the extra 2x come from?
OOOMG I see, why do I make things SOOOOO much harder than they actually are??!! For some reason I was adding 2x to one side and subtracting it from the other.
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