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

if f(x)=x+4 and g(x)=x^2-1, what is (g*f)(x)

How do you do this? Explain

The length of the base of a rectangular prism is 8 inches. The width of the prism is 4 1 2 inches, and the height is 3 1 2 inches. What is the volume of the

Dis wants to improve her_______ her creative writing teacher suggests that she read genres of books that she usually finds full Options Concentration Grammar s

Which descriptions of evolution are accurate? Check all that apply. It occurs within an individual's lifetime. It occurs over many generations. It applies only

help me please will give you brainliest if correct

How do you do this? Please help

HELP!!Find the eighth term of the sequence given by the rule tn = -3n + 10 a) 14 b) -14 c) -34 d) 34

In a right triangle ABC, angle C is a right angle and cos B =255/257. What is the measure or angle A? A)7.2 degrees B)83.2 degrees C)82.8 degrees D)90.0 degree

what is the effect on the blood flow in the blood vessel artery when a person is running ?