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18x - 9y + 3z = 18

First, just to clean it up a bit, divide both sides of the equation by 3.

(This doesn't change the equation or its graph in any way.)

6x - 3y + z = 6

At the 'x'-intercept, 'y' and 'z' are zero:

6x = 6

x = 1

At the 'y'-intercept, 'x' and 'z' are zero:

-3y = 6

-y = 2

y = -2

At the 'z'-intercept, 'x' and 'y' are zero:

z = 6

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Q: What are the intercepts for the equation 18x-9y plus 3z equals 18?
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