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  1. If 5x – 40 = 3x, then the numerical value of (2x – 11) is
    1. 29
    2. 39
    3. 19
    4. 9
Correct Option: A

5x – 40 = 3x
⇒  5x – 3x = 40

⇒  2x = 40 ⇒ x =
40
 = 20
2

∴  2x – 11 = 2 × 20 – 11
= 40 – 11 = 29


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