Breezyoop Breezyoop
  • 12-01-2021
  • Mathematics
contestada

5.) x + 3y = 21
- 4x + y = 0

Respuesta :

11177420
11177420 11177420
  • 12-01-2021

(x, y) = (21/13 , 84/13)

Step-by-step explanation:

x + 3y = 21

- 4x + y = 0

y = 4x

_____________

x + 3y = 21

x + 3(4x) = 21

x + 12x = 21

13x = 21

x = 21/13

y = 4x

y = 4 (21/13)

y = 84/13

(x, y) = (21/13 , 84/13)

Answer Link

Otras preguntas

The governments response to farmers complaints about high costs of shipping their crops was the creation of this regulatory agency. a. Federal Communications C
Which of the following is an organic molecule? a. Iron oxide b. Oxygen gas c. Water d. Sucrose
Which sentence does not contain any punctuation errors? a. Would you say that New Orleans Louisiana, or Austin Texas, is more fun to visit? b. Would you say t
Which closing uses correct punctuation? a. Very truly yours, b. Very truly yours. c. Very truly yours? d. Very truly yours!
Which answer shows a correct way to divide the word at the end of a line? a. tele-vision b. telev-ision c. cannot be divided d. televisi-on
what is the sum of 2/9 + 1/9
bullentin board is 4 feet long and 6 feet wide..how many feet of border does it need to surround the bulletin board
One month Diane rented 12 movies and 2 video games for a total of $65 . The next month she rented 3 movies and 5 video games for a total of $41 . Fin
The United States is a constitutional ________?
Which sentence does not contain any punctuation errors? a. What time, Lieutenant, must we report for duty? b. What time Lieutenant, must we report for duty? c