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Now, we have
z =
4
and y
= 2
... Stick them both into the top
equation and we'll get
x!
So,
x =
-1,
y = 2
and
z =
4.
Since this is a point in space, we write the answer as a 3-D
coordinate:
(-1,
2, 4)
Yeah, that was just the END of one
of these problems! Really, it just looks like a lot because of
all my explaining.
TRY IT:
Just work your way
back up:
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