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alina1380 [7]
3 years ago
7

1. Evaluate the expression when x=2, y = 3, and z= -9:

Mathematics
1 answer:
kupik [55]3 years ago
6 0

Answer:

-7

Step-by-step explanation:

substitute the given values into the expression

xy-<em>x</em>

<em>(</em>-2 times 3<em>)</em>-1

-6 - 1 = -7

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