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- 3 [ 9 x + 20 ] ≥ 15 x - 20

- 3 [ 9 x + 20 ] ≥ 15 x - 20
asked 178k views
5 votes
- 3 [ 9 x + 20 ] ≥ 15 x - 20

asked
User Danielp
by
8.4k points

1 Answer

1 vote

Answer:

x ≤ - 20/21

Explanation:

- 27x - 60 ≥ 15x - 20

- 27x - 60 - 15x ≥ - 20

- 27x - 15x ≥ - 20 + 60

- 42x ≥ - 20 + 60

- 42x ≥ 40

answered
User Rafael Monteiro
by
7.4k points
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