Aminatasanyang2005 Aminatasanyang2005
  • 03-06-2020
  • Mathematics
contestada

okmarks
EE
Quiz
Solve the system of equations by elimination.
4x - 5y = 11 and -4x + y = 1
What is the solution?

Respuesta :

Thdev
Thdev Thdev
  • 03-06-2020

Answer:

x = - 1

y = -3

Step-by-step explanation:

4x - 5y = 11

-4x + y = 1        +

----------------------

-4y = 12

y = -3

Now, plug y = -3 back into any equation

-4x - 3 = 1

-4x = 4

x = - 1

Answer Link

Otras preguntas

Native Americans in the Great Lakes–St. Lawrence Lowlands _____ before the arrival of Europeans. died out from warfare and disease lived in permanent settlement
A student performs this experiment and measures the bar to have a mass of 150g and length of 36cm. What is the moment of inertia of the bar?
Part C Suppose 1 kg each of water (4.19 J/(g ⋅ ∘C)), brick (0.90 J/(g ⋅ ∘C)), iron (0.46 J/(g ⋅ ∘C)), and olive oil (1.79 J/(g ⋅ ∘C)) were held at the same init
How much interest is earned on$2,700 in one year if it is invested at 3%
MUSIC: Which instrument listed below was banned by Plato because of its association with the cults of Dionysus? A. Lute B. Kithara C. Aulos D. Lyre
2 Textos con 5 puntos seguidos, dos puntos apartes y un punto final
Name the organs in the digestive system where there are stratified epithelia.
An electric field of magnitude 2.35 V/m is oriented at an angle of 25.0° with respect to the positive z-direction. Determine the magnitude of the electric flux
Iodine is prepared both in the laboratory and commercially by adding Cl2(g) to an aqueous solution containing sodium iodide. 2NaI(aq)+Cl2(g)⟶I2(s)+2NaCl(aq) How
archeology is came from the word what?