kyliemo2003
kyliemo2003 kyliemo2003
  • 01-02-2017
  • Mathematics
contestada

Solve the system of equations.
2x-y=5
3x+2y=4

A.) (3,1)
B.) (0,2)
C.) (2,-1)
D.) (9/7,17/7)

Respuesta :

Jedimaster13
Jedimaster13 Jedimaster13
  • 01-02-2017
2x - y = 5 also equals 4x - 2y = 10

  4x-2y=10
+3x+2y=4
  7x = 14
  x = 2

2(2) - y = 5
-y = 1
y = -1

so, B. (2,-1)

Answer Link

Otras preguntas

In literature, what is a subject?
Which is the proper category for a death caused by a terrorist attack? A. intentional/preventable B. intentional/unpreventable C. uninten
how to solve three number questions?
What literary device is apparent in the bolded lines of Viola’s speech to the captain in act II, scene IV, of Shakespeare’s Twelfth Night? VIOLA: Too well what
which of the following sentences has mixed verb tense and is therefore incorrect I eat and drink only healthy foodsI will call you and told you where to meet me
a coast Guard ship patrols an area of 125 square miles. the are the ship patrols is a square. about how long is each side of the square? Round to nearest mile.
The Nuclear Non-Proliferation Treaty sought to __________. A. stop all nuclear testing on the earth or in outer space. B. eliminate all hydrogen bombs. C. reduc
What compound does most of the work to carry out cell processes
How does the theme of the poem "The Tide Rises, The Tide Falls" develop as the poem moves towards the end?
Your friend has had two drinks at a party. Approximately how many hours will it take for his body to break down the alcohol ?