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

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Thomas Bartelmess asked Sep 8, 2023

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

Mathematics
high-school

Thomas Bartelmess asked Sep 8, 2023

by Thomas Bartelmess

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14 votes

Answer:

z = (-33)

Explanation:

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

Akanni answered Sep 9, 2023

by Akanni

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7 votes

Answer:

z=-33

Explanation:

Substitute into the original equation

z=-2x+3y

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

z=-18-15

z=-33

Leor answered Sep 12, 2023

by Leor

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z = (-33)

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