15. What is the value of this expression when z=-4? 5z +9 - 4z

Mikesomeone asked Jul 17, 2022

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7 votes

15. What is the value of this expression when z=-4?
5z +9 - 4z

Mikesomeone asked Jul 17, 2022

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21 votes

Answer:

Explanation:

5z +9 - 4z

- All you have to do is substitute the value of z instead of the variable.

5(-4) + 9 - 4(-4)

-20 + 9 + 16

-11 + 16

ArtemSky answered Jul 21, 2022

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