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

This Image is a reference to which act that was passed in 1917? A. The volstead war act? B. The selective service act C. The defense of the realm act D. Th
21-3+18/6 What is the correct answer?
what is the atomic mass of neon to the nearest tenthhelp me pls
) Group B [4x2=8] 2: I find spifm.P=Rs 480 and discount =Rs 40.​
Genevieve has an application on her phone that stores her information and passwords for several payment methods. This is an example of a A. mobile point of sale
A sequence starts 1/2, 1/4, 1/8
Consider the following scenario. AMU is equivalent to ATOMIC NUMBER. THAT IS, AMU=Z
Write an inequality for x that would give this rectangle an area of at least 300ft sq2 the numbers are X+5ft 3ft
Pls help me!! im giving brainliest
write an equation perpendicular to y = 3/4x that passes through the point(3,-3)