etur5779 etur5779
  • 12-05-2020
  • Mathematics
contestada

3x−12≥15

2x−5≤9

5x+8≤53

3x−5≥16

Respuesta :

chudung1976
chudung1976 chudung1976
  • 12-05-2020

Answer:

Step-by-step explanation:

A) 3x−12≥15

3x ≥ 15 + 12

3x ≥ 27

or x≥ 9

B) 2x−5≤9

2x ≤ 9 +5

2x ≤ 14

or x ≤ 7

C) 5x+8≤53

5x ≤ 53 -8

5x ≤ 45

or x ≤ 9

D) 3x−5≥16

3x ≥ 16 + 5

3x ≥ 21

or x ≥ 7

Have a good day!

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