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Stolb23 [73]
3 years ago
7

Write a proof for the conjecture using the contrapositive. If 5x + 7 = -13, then x = -4.

Mathematics
1 answer:
KonstantinChe [14]3 years ago
3 0

Answer:

ans x=4

Step-by-step explanation:

  • 5x + 7 = -13
  • 5x = -13 -7
  • 5x= -20
  • x = -20/5
  • x = -4
  • so the answer is x= -4
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