Question

if x = 9 and y = -5, find z when z = -2x +3y

Answer 1

Answer:

z=-33

Step-by-step explanation:

Substitute into the original equation

z=-2x+3y

z=-2(9)+3(-5)

z=-18-15

z=-33

Answer 2

Answer:

z = (-33)

Step-by-step explanation:

$z = - 2x + 3y \\ z = - 2(9) + 3( - 5) \\ z = - 18 - 15 \\ z = - 33$