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

With a $230,000 annual profit achieved from a $2,000,000 investment, the return on investment (ROI%) for a business would be
Amy thinks of three numbers, which she calls a, b and c. The ratio a: cis 4: 3. The ratio b: cis 7:5. The median of a, b and c is 80. Work out the values of a,
I went shopping for a new car. the suggested manufacturers price is $26,985. With discounts for first time car buyer, being a college graduate, and the Labor Da
On a game show, the first place winner got cash and prizes worth a total of $4,622.00. The runner-up won a total of $2,541.00. How much more did the first place
Identify the domain and range x -5 -2 1 5 7 y 10 11 4 10 15
Evaluate the expression 8 x 1. 5
HELP. Really really need help. ASAP please. Please help me with this. I will give out a lot of extra points and a Brainly to whoever does it good. Thanks.
With a $230,000 annual profit achieved from a $2,000,000 investment, the return on investment (ROI%) for a business would be
For each function f, find f^-1 and f^-1(5). f={(-1,5), (0,0), (2,6)}
Explain the different stages in nutrition of amoeba ?