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

In a scale model of a television, 1 millimeter represents 10 centimeters
John Green opens his novel with this scene of Margo and Q. Why do you think the author chose to begin his book here? make an argument about the significance of
help need to pass class and iready
Need help please answer ASAP!
Math question help pls
|||||| (Multiple Choice and Picture Attached) Will give Brainiest!! Using the box-and-whisker plot shown, find the quartile values and Q--8, Q, = 8 8 O Q=-4, =
Select the correct answer from each drop-down menu. hydrogen can be created by water. if the activation energy is reduced, hydrogen can be produced with a renew
help meeeeeeeeeeeeeeeeeeeeeeeeeee
A therapist who takes an eclectic approach is one who?
Turns Red Litmus paper to BLUE (Blue stays BLUE) A.) calcium chloride B.) citric acid C.) glucose D.) calcium hydroxide