Bomarie02 Bomarie02

02-03-2018
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 :

sqdancefan sqdancefan

04-03-2018

You can subtract the second equation from the first:
.. (-2x +y) -(-4x +y) = (1) -(-1)
.. 2x = 2 . . . . . . . . . . . . . . . . . . . simplify
.. x = 1 . . . . . . . . . . . . . . . . . . . . . divide by 2

This corresponds to selection D) (1, 3).

Ver imagen sqdancefan

Answer Link

Otras preguntas

need help or answer 1

do face to face conflicts help resolve conflict

A traditional story that explains a belief system, a natural phenomenon, or a world view of a group of people is called a what

once the affects of a stimulant where off the driver could quickly fall asleep true or false?

In the Classical Era, Greek religion could BEST be described as

how does the goverment and politics help resolve conflict in society

Renna pushed the button for the elevator to go up, but it would not move. The weight limit for the elevator is 450 kilograms, but the current group of passenger

A group of words that's missing a subject, a verb, or a complete thought is called a(n) A. sentence fragment. B. run-on sentence. C. prepositional phras

How a 300-n force can combine with a 100-n force to produce a net force of 200n on a sled?

Which of the following is characteristic of Jefferson's beliefs: He felt that government should represent those who were "rich and well born." He believed that