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3 years ago

7

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

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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