Multiple choice

In each of the following questions, two equations are given. You have to solve them and $( I. \quad 2x + 9y = 18 \\ II. \quad x + 3y = 12 )$

  1. If x > y

  2. If x ≥ y

  3. If x < y

  4. If x ≤ y

  5. If x = y or relationship can not be established

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Multiply equation II by 3: 3x + 9y = 36. Subtract from equation I: (2x + 9y) - (3x + 9y) = 18 - 36, giving -x = -18, so x = 18. Substituting into equation II: 18 + 3y = 12, giving 3y = -6, so y = -2. Since x = 18 > y = -2, option A is correct.