Multiple choice

In each of the following questions, two equations are given. You have to solve them and $I. (5x - 2y = 21) II. (3x + 4y = 49)$

  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
E Correct answer
Explanation

Solving the system: 5x-2y=21 and 3x+4y=49. Multiply first equation by 2: 10x-4y=42. Add to second: 13x=91, so x=7. Substituting: 5(7)-2y=21 gives y=7. Since x=y, the answer is 'x=y or relationship cannot be established' when considering the equality condition.