1.

If 5x – 3 ≤ 5 + 3x ≤ 4x + 2, express it as a ≤ x ≤ b and then state the values of a and b.

Answer»

5x – 3 ≤ 5 + 3x ≤ 4x + 2

5x – 3 ≤ 5 + 3x and 5 + 3x ≤ 4x + 2

2x ≤ 8 and – x ≤ −3

X ≤ 4 and x ≥ 3

Thus, 3 ≤ x ≤ 4

Hence, a = 3 and b = 4



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