2021 · Q88
What is the value of x, 2x/3 + y/2 = 4 and x/3 − y/2 = 1?
Elementary MathematicsAlgebra
- A4
- B3
- C5
- D1
Explanation
Adding the two equations eliminates y: (2x/3 + x/3) + (y/2 - y/2) = 4 + 1, so x = 5. Substituting back, 2*5/3 + y/2 = 4 gives y = 2, confirming the solution. Hence the value of x is 5, option (c).