Algebramedium · Past Paper
Solve the system: 2x - y = 5 and x + y = 4
Ax=3, y=1
Bx=1, y=3
Cx=3, y=-1
Dx=0, y=4
✓ Correct Answer: A — x=3, y=1
Adding the equations: 3x = 9, so x=3. Then 3 + y = 4 gives y=1.
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✓ Correct Answer: A — x=3, y=1
Adding the equations: 3x = 9, so x=3. Then 3 + y = 4 gives y=1.
Share this question