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(-x-y+2z = −21 (5x-3y - 2z=-23 If the equations above are true, which of the following is a value of X-Y? A:5 B:16 C:-11 D:0 E:21
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(-x-y+2z = −21

(5x-3y - 2z=-23
If the equations above are true, which of the following is a value of X-Y?
A:5
B:16
C:-11
D:0
E:21

User Jimifiki
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6.1k points

1 Answer

3 votes

Answer: E

Explanation:

User GoldenAge
by
7.1k points
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