sarahlamar382
sarahlamar382
03-12-2014
Mathematics
contestada
3x+4y=2 4x-4y=12 by using elimination
Respuesta :
lakwan007
lakwan007
03-12-2014
(+3x+4y=2)
(+4x-4y=12)
-----------------
7x = 14
-----------------
7
X=2
3(2)+4y=2
6+4y=2
4y=-4
Y=-1.
Or you can plug x into the other equation.
4(2)-4y=12
8-4y=12
-4y=4
Y=-1.
Answer Link
VER TODAS LAS RESPUESTAS ( 36+ )
Otras preguntas
Match each situation with the contracts or documents that the individuals will sign.
"I Sit and Look Out" Walt Whitman I Sit and look out upon all the sorrows of the world, and upon all oppression and shame; I hear secret convulsive sobs from yo
O velocino de ouro Há muitos e muitos anos, viviam na Tessália um rei e uma rainha chamados Atamas e Nefele, que tinham dois filhos, um menino e uma menina. D
Calculate the ph of the solution resulting by mixing 20.0 ml of 0.15 m hcl with 20.0 ml of 0.10 m koh
If each side of the square is 7 7 units long, how long is the diagonal to the nearest tenth
Which of the following is defined as the elastic leasing of pooled computer resource over the Internet? 1) Broadband 2) Wiki 3) The cloud 4) Bluetooth 5) SSD
In what ways was the great depression a global phenomenon
Which of the following objects adorns the Ghost of Christmas Past when it appears to Scrooge? Select all that apply. a) an extinquisher b) long white hair c) a
Autobiographies, in which a writer lays out his or her entire life, reflect BLANK principles. a. romantic b. Victorian c. realist d. regency
If you were a water molecule in a glass of water how would you best describe your relationship with the water molecules around you? A.) always near the same mol
