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9k-2≥88 or -34 -4> -25

User Alinoz
by
6.0k points

2 Answers

5 votes

Answer:

k ≥ 10

Explanation:

9k - 2 ≥ 88

Step 1 : Add 2 on both sides.

9k - 2 + 2 ≥ 88 + 2

9k + 0 ≥ 90

9k ≥ 90

Step 2 : Divide 9 on both sides.

9k/9 ≥ 90/9

k ≥ 10

User Cesar Bielich
by
6.3k points
5 votes

Hello,

9k - 2 88

⇔ 9k - 2 + 2 ≥ 88 + 2

⇔ 9k ≥ 90

⇔ 9k/9 ≥ 90/9

⇔ k ≥ 10

S = [10 ; + ∞ [

User Zeliax
by
6.7k points
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