muthiarn
muthiarn
29-08-2017
Mathematics
contestada
x - y - z = -1
-x + y + y = 1
x + y - z = 1
Respuesta :
ghanami
ghanami
31-08-2017
hello :
X - y - z = -1 ...(1)
-x + y + z = 1 ...(2)
x + y - z = 1 ...(3)
(2) +(3) : 2y = 2 y = 1
subsct in (1) and (2) : x - z =0
-x +z = 0
so x = z the solution has form : (x , 1 , x ) .... x in R
Answer Link
VER TODAS LAS RESPUESTAS ( 79+ )
Otras preguntas
What is positive 4 plus negative 5
How many beats does a semi quaver have
How can you see the theme of movement in a city like Washington, D.C.?
Is the underlined word a participle or verb? I am looking forward to a nice, long vocation. Looking is underlined. A. Participle B. Verb
Write 4.625 as a mixed number in simplest form
What were the major difference between people who lived in the Paleolithic period and those who live in the Neolithic period?
how many factors does 25 have
How does Beowulf die?
what does x equal when 22-4x=12x+126
Where do parentheses go on 7+9x3-1=25
