lexipoole
lexipoole lexipoole
  • 02-04-2015
  • Mathematics
contestada

Y=2x-5
3x+8y+32=56
What does y and x equal?

Respuesta :

Panoyin
Panoyin Panoyin
  • 03-04-2015
y = 2x - 5
3x + 8y + 32 = 56
3x + 8(2x - 5) + 32 = 56
3x + 8(2x) - 8(5) + 32 = 56
3x + 16x - 40 + 32 = 56
19x - 8 = 56
      + 8   + 8
     19x = 64
      19     19
         x = 3.4
y = 2(3.4) - 5
y = 6.8 - 5
y = 1.8
(x, y) = (3.4, 1.8)
Answer Link

Otras preguntas

at old oak farm, there are chicken and horses. there are 120 legs and 48 heads altogether. how many horses and how many chickens are there?
How do we aquire knowledge in science?
Evaluate the expression: 4p^2 / 9 - 4 Please show your work
A scientist is researching Down Syndrome. He is studying what type of disease?
there are many different values associated with an AC sine wave which one of the following continually changes throughout the cycle?A. instantaneous valueb. eff
What are at least two reasons why Canada did not experience the terrible wars that the United States did during the settlement of the wilderness?
Which of the following is a correct sine ratio for the figure? Question 20 options: A) C = 5∕12 B) C = 5∕13 C) C = 12∕13 D) C = 13∕12
challenges of teaching mathematics in 21st century​
Mention the name of the first radio station in Ghana.
urgent! does anyone know how to render and export blender video files