Question

Evaluate the following expression if the value of x=2, y=5 and z=1

z+=x+ --z+ y++ +y

Answer 1

Answer:

12

Explanation:

$x = 2 \\ y = 5 \\ z = 1 \\ \\ z + x - z + y + y \\ \\ 1 + 2 - 1 + 5 + 5$

1+2-1+5+5=12