04-02-2021
Mathematics

contestada

If x = -1, then which of the following equations makes a true statement?
A. 4x + 9 =20
B. -4x - 5 = -15
C. -3x + 15 =18
D. -5x - 15 = -22

Respuesta :

bdtzs16 bdtzs16

04-02-2021

Answer:

C. -3x + 15 = 18

Step-by-step explanation:

substitute x with -1

-3(-1) + 15 = 18

a negative times a negative equals a positive

3 + 15 = 18

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