Question

3 times the difference of X and 4 is greater than or equal to -8 and less than or equal to 10. What is the inequality?

Answer 1

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Answer:

-8 ≤ 3(x-4) ≤ 10

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Explanation:

—Let’s solve it—

-8 ≤ 3(x-4) ≤ 10

⇔ -8 ≤ 3x-12 ≤ 10

⇔12-8 ≤ 3x ≤ 10+12

⇔4 ≤ 3x ≤ 22

⇔4/3 ≤ x ≤ 22/3.

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