emilykanderson
emilykanderson emilykanderson
  • 02-07-2016
  • Mathematics
contestada

px + qy = r
2px - qy = 2r
When solving this system of equations, x =

Respuesta :

texaschic101
texaschic101 texaschic101
  • 02-07-2016
px + qy = r
2px - qy = 2r
----------------add
3px = 3r

x = 3r/3p
x = r/p
Answer Link
rudyrocks120 rudyrocks120
  • 04-07-2016
You just add the equations:
  px + qy = r
2px  - qy = 2r
3px = 3r
divide by 3
px = r
divide by p
x = (r)/(p)
Answer Link

Otras preguntas

can I get help pleasr​
Do you believe .............news? B" No................. so surprising, a. the/it was b. the/ they were c. those /they were d. ........../it was
Whose self portrait iS seen below? a. Raphael b. Michelangelo C. Leonardo da Vinci d. Donatello
Is a || b ? Explain with angle measurements
1. For the shown triangle, AD is 42, MD is 27, AN is 20 and NG is 3x+3.
In a healthy person, which structure contains this liquid? B PLEASE HELPPPPP
ellen decides to buy 25 hats howcmuch does she spend?
PLZ HELP ITS DUE TODAY
what is the definition behind Arthritis?
a noun clause... A. begins with that, what, whatever, whoever, whomever, when, or why. B. can function as a subject, direct object, indirect object, object of p