junior108 junior108
  • 27-02-2018
  • Mathematics
contestada

Which ordered pair is the solution to the system of linear equations -5x+y=26 and 2x-7y=16

Respuesta :

MahdiNaseri
MahdiNaseri MahdiNaseri
  • 27-02-2018
Use the elimination method.
(-5x + y = 26)7
2x - 7y = 16

-35x + 7y = 182
2x - 7y = 16

-33x = 198
x = -6

Substitiute -6 for x in one of the equations.
2x -7y = 16
2(-6) - 7y = 16
-12 - 7y =16
-7y = 28
y = -4

The ordered pair would be (-6,-4)
Answer Link

Otras preguntas

Explain how oxygen is connected to chemical weathering
SELECT ALL THE CORRECT ANSWERS What does Charles Dickens point out about British society during the Industrial Revolution in this excerpt from Oliver Twist? “It
What is the function of the durham tube in the fermentation tube?
7/4 - 1.76 Please help -.-
What three latin american countries sent the most immigrants to the us?
The united states has had ________ party systems since 1789.
At which distance can you keep someone "at arm's length"? select one: a. intimate b. personal c. social d. public
Objects in free fall are weightless. True or False
There are 180 pages in the book Diana is reading. Diana has read 90 pages. What percent of the book has she read?
At which root does the graph of f(x) = (x – 5)3(x + 2)2 touch the x axis?