businessarrow36 businessarrow36

21-12-2020
Mathematics

contestada

Solve the following systems of equations using the substitution method.

5x+3y=1
X+2y=3

Answers
(1,2)
(-1,2)
(1,-2)
(-1,-2)

Respuesta :

samuelrengifo samuelrengifo

21-12-2020

Answer:

(-1,2)

Step-by-step explanation:

x = 3-2y

then

5(3-2y) + 3y = 1

15 -10y +3y = 1

14 = 7y

y = 2

then

x = 3-2(2)

x = -1

Answer Link

Otras preguntas

How many fights are there in 3?

What were problems with the Saturn V rockets and what did the engineers do to fix it?

Who was the first scientist to observe cells? a. Theodor Schwann c. Anton van Leeuwenhoek b. Robert Hooke d. Matthias Schleiden Please select the best answer

Why does macbeth believe that malcolm cannot harm him? a. the spirits predicted that no man born of a woman could harm macbeth. b. malcolm would not be able to

How does the advertisement reflect the postwar wave of american consumerism? A) It promotes a labor-saving device. B) It depicts a stereotypical American housew

A 250 mL sample of a .125 M solution of NaOH contains _____g of NaOH

(1 pt) find the coordinates of the point (x, y, z) on the plane z = 3 x + 4 y + 4 which is closest to the origin.

An observer counts 4 complete water waves passing by the end of a dock every 10. seconds. What is the frequency of the waves?

If we mechanically squeeze a gas into a smaller volume, what happens to the pressure and temperature? A. The pressure and temperature both increase, but we can'

An airline requires carry on luggage to weigh at most 40 pounds. Your suitcase currently weighs 10 pounds. How many pounds p are available for you to fill your