stephy56780 stephy56780
  • 10-07-2020
  • Mathematics
contestada

A number is less than 20 units away from 7 on the number line.

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nafeesahmed nafeesahmed
  • 10-07-2020

Answer:

-13 < x < 27

Therefore, the number is greater than -13 and less than 27.

Step-by-step explanation:

1. Set up the inequility

|x - 7| < 20

2. Set up compound inequility

-20 < x - 7 < 20

3. Solve compound inequility

-20 + 7 < x < 20 + 7

-13 < x < 27

Therefore, the number is greater than -13 and less than 27.

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