Clueless670 Clueless670
  • 02-12-2016
  • Mathematics
contestada

-6x+4y+4z=6
-5x+2y-4z=23
2x+5y-4z=25

Respuesta :

Thos Thos
  • 02-12-2016
-6x+4y+4z=6
-5x+2y-4z=23
----------------------
-11x+6y    =29

-5x+2y-4z=23
2x+5y-4z=25
-------------------
7x + 3y = 2
3y=2-7x
6y=4-14x = 29+11x
25x = -25
x = -1

2y=2-7x
3y = 2+7 =9
y=3

-6x+4y+4z = 6
6+12+4z = 6
4z = 12
z = 3






Answer Link

Otras preguntas

Genetic inheritance is being studied in a certain species of plant in which orange flower color (O) is dominant to white (o) and round leaf shape (S) is dominan
Nate owns the following property: A personal residence titled fee simple valued at $500,000. A $500,000 life insurance policy on his own life. The only named be
The volume of a sphere is 2 comma 143.57 m cubed. To the nearest meter​, what is the radius of the​ sphere? Use 3.14 for pi.
I need help please??!!
-15x + 30=5Please answer ASAP​
Please please help me out
PLEASE HELP THANK YOU SO MUCHHHH
measles is a disease that causes fever and rash the graph gives the number of measles causes in the US between 1954 and 2008 the measles vaccine was introduced
(20 points) please give me motivation to study and study tips or test taking tips for finals. it would be greatly appreciated.
Triangle DEF is congruent to D'EF' by the SSS theorem. Which single rigid transformation is required to map DEF onto D'EF'? dilation reflection rotation transla