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Kaylis [27]
3 years ago
9

Solve the compound - 20 ≤ 2x - 20 ≤ 10​

Mathematics
1 answer:
Gwar [14]3 years ago
4 0

Answer:

0≤ x ≤ 15

Step-by-step explanation:

  • - 20 ≤ 2x - 20 ≤ 10​
  • -20 + 20 ≤ 2x - 20 + 20 ≤ 10​ + 20       ⇒ add 20
  • 0 ≤ 2x  ≤ 30​                                          ⇒ divide by 2
  • 0≤ x ≤ 15                                               ⇒ answer

or x = [0,15]

​

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