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Evaluate the following expression using the values given: Find 2x - 3y - z if x = -2, y = 3, and z = -2
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2 votes
Evaluate the following expression using the values given: Find 2x - 3y - z if x = -2, y = 3, and z = -2

User Foroogh Varmazyar
by
8.4k points

1 Answer

2 votes
2x - 3y - z
Substitute the variables for the numbers provided for them
2(-2) - 3(3) - (-2)
Multiply 2 by -2
-4 - 3(3) - (-2)
Multiply -3 by 3
-4 - 9 - (-2)
Subtract 9 from -4
-13 - (-2)
Convert Subtract -2 from -13. It would be the same as adding 2 to -13.
Final Answer: -11
User Steve Macculan
by
7.8k points
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