ogray765 ogray765
  • 01-02-2024
  • Mathematics
contestada

use elimination to find the system x+2y=20 and 2x +y=19

Respuesta :

methegenius01 methegenius01
  • 01-02-2024

Answer: x=6 y=7

Step-by-step explanation:

so, we multiply the first equation by 2 to get 2x+4y=40 and we take 2x+y=19 and subtract. we get 3y=21 so y=7 and we plug that in and get x=6

Answer Link

Otras preguntas

Pleaseeeeee o someone help me
define cell and atom.....​
which is known as accurate processing of computer gigo E mail MHz bug​
if the area of a rectangle is 144cm and breadth is 6cm, find the perimeter of the rectangle​
The diagram shows triangle ABC. С Work out the sizes of angles x, y and z. 40° 110° х Z A В
Division method of 298116 using short Division method​
what are evidence that the himalayas mountains are still rising​
A boy who is 1.4m tall, sighted the top of a flag pole at an angle of elevation of 36°. if the boy is 9.5m away from the flag pole, calculate the height of the
Combine: “Levi Ackerman. Attack on Titan. Famous character. Fans.” A. Fans is celebrating the return of famous character Levi Ackerman in the world renowned ani
Quadrilateral ABCD is a rectangle. FindBD ifAO = 6x - 22 and OC = 2x + 6. 40 units 20 units 7 units 10 units