jsantamaria2 jsantamaria2

24-09-2020
Mathematics

contestada

Solve for x:
-2x – 9= X – 21

Respuesta :

21wongq41 21wongq41

24-09-2020

Answer:

x = 10

Step-by-step explanation:

Answer Link

fionaferlich1 fionaferlich1

24-09-2020

Answer:

x=4

Step-by-step explanation:

add 2x to both sides

-9=3x-21

add 21 both sides

12=3x

divide each side by 3

4=x

Answer Link

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