gailpoole4992 gailpoole4992

13-12-2018
Mathematics

contestada

Solve the system of equations using elimination.

-7x + 5y = 24
–9x + 5y = 18

A)
(9, 3)

B)
(3, 9)

C)
(
4
5
, 3)

D)
(3,
4
5
)

Respuesta :

kayleecook2003p91n17 kayleecook2003p91n17

13-12-2018

Answer: B. (3,9)

Step-by-step explanation:

7x -5y = -24(times by -1)

–9x + 5y = 18

-2x=-6

X= 3

(Substitute 3 in)

-9(3)+5y=18

-27+5y=18

5y=45

Y=9

Answer Link

Otras preguntas

Ha says war is coming. What does that mean.

¿Qué sección del artículo explica que, en el libro, Mike Verardo luce como un héroe? A. Regresó a casa B. Herido por las bombas C. Madre publica libro por su cu

volcanic eruptions can affect climate by

Samuel graphed the equation y = 2x + 2, and Monika graphed the equationy = -2x + 2. How do their two graphs compare? A. As you trace their graphs from left to r

I found an American Nickel from 1888. How much is it worth today? It's not in the greatest condition but you can still tell it's a nickel and you can still read

se lanza una piedra a un estanque de agua tranquila el cual crea ondas concentricas que aumentan el radio al pasar el tiempo. cuando la onda exterior alcanza 3

which of the following groups worked to reduce the alcohol consumption

What is the equation for line D? a. y = 2.5x b. y = x + 10 c. y = -x + 10 d. y = -x + 60

Yup.. here Have a good day love

$1,400 principal earning 6%, compounded semi-annually, after 10 years