jhollingsworth jhollingsworth

09-09-2021
Mathematics

contestada

- 3 [ 9 x + 20 ] ≥ 15 x - 20

Respuesta :

ProWilsonNetwork ProWilsonNetwork

09-09-2021

Answer:

x ≤ - 20/21

Step-by-step explanation:

- 27x - 60 ≥ 15x - 20

- 27x - 60 - 15x ≥ - 20

- 27x - 15x ≥ - 20 + 60

- 42x ≥ - 20 + 60

- 42x ≥ 40

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