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

Please help and I will give brainliest ( no trolling )

mohandas karamchand ganghi

HELP You want to buy a $26,000 car. You can make a 10% down payment, and will finance the balance with a 4% interest rate for 60 months (5 years). What will you

square root of 27 lies between which two natural numbers?

2.What was the originally name of Jose de Diego? •Robert E Lee Jr. HIgh •George Washington Carver •John F. Kennedy •Madison

What is the first step when rewriting y = 3x2 + 9x - 18 in the form y = a(x h)^2 + k?

Write an equation for the line parallel to the given line that contains C. C(2,6); y=-3x+2

sorry if its blurred but can you answer it please....

What are possible penalties if a designer is caught breaking copyright laws? Select all that apply. removing the design from internet having a work computer c

What device might be used at the crime scene to look for flammable liquid residues? A sniffer A residue reader A liquid analyzer None of the above (PLs)