CSEC Mathematics · January 2011 · Paper 1 · Question Q31
The sum of two numbers x and y, is 18, and their difference is 14. Which pair of equations describes the above statement?
- (A)
x + y = 18x - y = 14 - (B)
x + y = 32x - y = 4 - (C)
2x + 2y = 182x - 2y = 14 - (D)
xy = 18x - y = 14
The answer is shown once you've answered.
Practise this question