Question

8/9 - Evaluating Algebraic Expressions

5. Which is equivalent to 4x - (y + x) + 2, if x = 5 and y=-3?
O 20
-20
-15
O 15

Answer 1

9514 1404 393

Answer:

(a) 20

Explanation:

Put the numbers in place of the corresponding letters and do the arithmetic.

4(5) -((-3) +5) +2 = 20 -2 +2 = 20