Question

Given the inequality 4x ≤ 28, determine the value of x.

Answer 1

The value of x is 7.

Explanation:

4x ≤ 28 | divide both sides by 4

4x / 4 = x and 28 / 4 = 7

therefore, x ≤ 7

Answer 2

Explanation:

Given the inequality 4x ≤ 28, determine the value of x.

4x ≤ 28

divide both sides by 4:

4x/4 ≤ 28/4

x ≤ 7

set builder notation: (-∞, 7]