elizabethtarlton1989 elizabethtarlton1989
  • 14-09-2019
  • Mathematics
contestada

complete 2x+21= using only the communtative property of addition​

Respuesta :

Mizuk1ngdom
Mizuk1ngdom Mizuk1ngdom
  • 14-09-2019

Answer:

-9.5

Step-by-step explanation:

2x + 21 =

2x + 20 = 1 (C.P)

2x = 1-20

2x = - 19

x= - 19/2

x = - 9. 5

Answer Link

Otras preguntas

If aluminum loses 3 electrons how do you write the ion
what does a hurricane need to sustain itself?
Which of the following is NOT a characteristic of mitochondria? A. Mitochondria are considered to be the “powerhouses” of the cell. B. Mitochondria produce most
what is a coral distribution
A centripetal force always causes a centripetal acceleration. True or False
Overload is the act of exercising a muscle to fatigue. True or false.
The USA gained Puerto Rico, Guam, and the Philippines after winning which war in 1898?
Acceleration is rate of change of ____. a. position b. time c. force d. velocity
what is 9x900+(1000x100
How do organisms obtain energy ?