Question

z-y+xz use x =2, y = -1, z = -3

Answer 1

Simple...

z-y+xz

x=2

y=-1

z=-3

Plug it in!

-3-(-1)+(2)(-3)

-3+1-6

-2-6

-8

Thus, your answer, -8.

Answer 2

z - y + x * z = ?
-3 - -1 + 2 * -3 =
-2 + -6 = -8