spiritnevland spiritnevland

03-01-2021
Mathematics

contestada

Solve the following system of equations:
-2x + y = 1
-4x + y = -1

A: (3, 1)
B: (-1, 3)
C: (-1, -3)
D: (1, 3)

Respuesta :

Eddie1Wan Eddie1Wan

03-01-2021

Answer:

x=1,y=3

correct answer is (1,3)

Step-by-step explanation:

We can quickly eliminate y by subtracting one equation from the other

(-2x+y=1)-(-4x+y=-1)

2x=2

x=1

plug x=1 into equation 1

-2(1)+y=1

y=1+2=3

Answer Link

Otras preguntas

Which event is most likely to cause rejuvenation of a stream? A. During an earthquake, the stream is lifted to a higher elevation. B. During a hurricane, h

to what extent did the enlightenment impact the American and French revolutions?

What role did propaganda play in Mussolini's rule? Give examples.

Translate to Spanish:They are going on vacation tothe United States.A. Vosotros vais de vacaciones a los EstadosUnidos.B. Ellos van de vacaciones a los Estados

Please help I will mark brainliest

what does a triangle have to do with your health?

Mrs. Bowser spends $39 on 3 slices of pizza and 5 bags of popcorn. Mrs. Lassetter spends $36.50 on 5 slices of pizza and 2 bags of popcorn. After a couple of ho

i neeed helpppp can someone help me?

What is the slope of a line that is perpendicular to a line whose equation is -2y=3x+7 Enter your answer in the box.

on Saturday morning Owen earned $29. By the end of the afternoon he had earned a total of $67. Enter an equation, using x as your variable to determine whethe