jackiemarie12
jackiemarie12 jackiemarie12
  • 02-12-2020
  • Mathematics
contestada

4x + y = 4
8x + y = 5
If (x,y) is the solution of the system of equations above, what is the value of
x?

Respuesta :

aka420 aka420
  • 02-12-2020

Answer:

if u substract the equations u get 4x = 1, therefore x = 1/4

Step-by-step explanation:

(8x + y) - (4x + y) = 5 - 4

4x = 1

x = 1/4

Answer Link

Otras preguntas

Acid strength decreases in the series: hcl > hso4– > hcn. which of these species is the strongest base?
What is the value of x to the nearest tenth ? ?????
The strength of the woodwinds section is
(04.04) Please help, thanks. Escoge la mejor respuesta. Select the best answer. ¿Cuál es la palabra para hablar sobre el origen en el tiempo o el espacio? Ante
Maintaining at least a 1-second space margin from the vehicle in front of you not only provides you with visibility, time, and space to help avoid rear-end cras
"select the method that promotes safety by determining which specific element of a job led to a past accident."
You have 56 marbles to share with your friends. If each friend gets exactly 4 marbles, which equation could use to solve for the number of friends, n?
what is the value of A in the equation 12a-123=117 A) -1/2 B) 20 C) 2 D) 228
4 moles of solid nacl are added to 4 l water, where they dissociate completely. what's the total molar concentration of solutes in the resulting solution?
How many moles of hydrogen molecules (h2) would be required to produce two moles of hydrogen peroxide (h2o2)?