AMINAHP213 AMINAHP213
  • 21-03-2018
  • Mathematics
contestada

Solve -3x + 2y + z = -6
x + 3y + 2z = 5
4x + 4y + 3z = 13

(-6, 5, 13)

(0, -3, 0)

(1, -2, -1)

(3, 4, -5)

Respuesta :

MrGumby
MrGumby MrGumby
  • 21-03-2018
(3, 4, -5)

You can  solve these by plugging in to see which fits all 3 equations. You can also use elimination using two equations twice and getting 2, 2-variable equations which you can then solve for the first variable. 
Answer Link

Otras preguntas

Kaitlin buys 9/10 pound of orange slices. she eats 1/3 of them and divides the rest equally into 3 bags. how much is in each bag?
What is Hamilton Monetary policy idea?
You slide a breakfast plate along the counter toward your friend, but your friend misses it and the plate slides off the edge of the counter. The counter is 0.9
what is 12.65 to the nearest tenth of a pound
The population of a particular village can be models by the equation y= 110x + 56, where x is the number of years since 1990. In what year were there 1706 peopl
Ed's age is twice that of his brother. When you add Ed's age to his brother's age, you get 36. How old is each brother? show your work
Let f(x) = 8x – 3. What is f(5)? A. 43 B. 40 C. 37 D. 45
solve for c. a(b-c)=d
i need help please and thanks
Read the paragraph, which is a summary of a slave narrative by Olaudah Equiano. [1] Robert King was a Quaker merchant and a kind man, and he treated Equiano we