Multiple choice

Which of the following expressions represents the value of x + y – 3 at x = 1, y = 2?

  1. 0

  2. 3

  3. 2

  4. -1

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

x + y – 3             = 1 + 2 – 3             = 3 – 3 = 0

AI explanation

Substituting x=1 and y=2 into the expression x+y–3 gives 1+2–3 = 0. This is a direct substitution exercise testing basic arithmetic with signed numbers.