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Delaney Lucero
Mathematics
5 December, 12:02
Simplify:
2 (xy - 7) = [?]
x = - 1 and y = 3
+2
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Dane Matthews
5 December, 12:18
0
Answer:2 (xy-7) = - 20
Step-by-step explanation:
Plug in - 1 for x and 3 for 3, as the question says that x and y represent those values.
2 (xy-7) = ?
2 ((-1) (3) - 7) = ?
2 (-3-7) = ?
2 (-10)
-20
2 (xy - 7) = - 20
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