kimyangb
kimyangb
29-09-2016
Mathematics
contestada
2x=56-20y
-16x=92-20y
Respuesta :
nobillionaireNobley
nobillionaireNobley
30-09-2016
2x = 56 - 20y => x = 56/2 - 20y/2 => 28 - 10y . . . (1)
-16(28 - 10y) = 92 - 20y
-448 + 160y = 92 - 20y
160y + 20y = 92 + 448
180y = 540
y = 540/180 = 3
From (1), x = 28 - 10(3) = 28 - 30 = -2.
Therefore, x = -2 and y = 3.
Answer Link
VER TODAS LAS RESPUESTAS ( 51+ )
Otras preguntas
Why do we say a little milk left instead of little milk left
The additive inverse of [tex]a-b[/tex] is: A. a + b B. -a + b C. -a - b D. [tex]1/a-b[/tex]
Given that XY is a line segment with the angle a = 51°, work out the value of the angle marked b. Y b a X The diagram is not drawn to scale. ASP PLZ
Heather and her friends are painting the walls of a storage room in the basement. Each wall is 9 m long and 2 m high. There are two doors, each 1 m wide and 2 m
Why does brainly hold back knowledge until you give them money?
What is the formula of(a+b)whole square
Which To Dos were on the Reconstruction Era List? (Select all that apply. 4 are correct) Plz answer
Signal Detection Theory. What's a personal experience you've had with this? Easy pts.! Feel free to make it up if you want :) It's for my Psychology class and I
Element of Ghanaian Culture that bind the people together
Which of the following best describes hematuria? the correct answer is *Blood in the urine If this site wants unproven or incorrect answers and deletes correct
ACCESS MORE
EDU ACCESS
