Janessa73
Janessa73
27-03-2015
Mathematics
contestada
5x+2y=21-x-y=-9 what is the answer
Respuesta :
Panoyin
Panoyin
04-04-2015
5x + 2y = 21 ⇒ 5x + 2y = 21
-1x - 1y = -9 ⇒
5x + 5y = 45
-3y
=
-24
-3 -3
y = 8
5x + 2(8) = 21
5x + 16 = 21
- 16 - 16
5x
=
5
5 5
x = 1
(x, y) = (1, 8)
Answer Link
VER TODAS LAS RESPUESTAS ( 94+ )
Otras preguntas
At what speed, as a fraction of c, will a moving rod havea length 43% that of an identical rod at rest?
Combinations of output that fall inside the production possibilities curve of an economy represent (select all that apply) ______.
____ is viewed most simply as organized belief in the supernatural, and all fulfill numerous social and psychological needs.
Theme for English B The instructor said, Go home and write (1 page tonight. And let that page come out of you Then, it will be truc. I wonder if it's that si
What was the issue that caused talk of secession of the southern states
I'LL GIVE EXTRA POINTS What is the scale factor from polygon ABCD to polygon PQRS?
if there are 500000 joules of energy in plankton how much energy is available for the killer whale
For which reason are α helices and β sheets common folding patterns in polypeptides?.
In ancient times, a __________, a stone or wooden marker, were used to glorify a god or king, or to celebrate a certain event. they can also be used as a grave
On a rotating wheel, is the centripetal acceleration greater for points near the hub of the wheel or for points near the rim?
