Terminal
Terminal Terminal
  • 01-02-2017
  • Mathematics
contestada

How would u solve this liner system?

y = -3x - 1
4x + 3y = 2
What is x and what is y??

Respuesta :

HomertheGenius
HomertheGenius HomertheGenius
  • 06-02-2017
We can solve it by substitution: y = - 3 x - 1.
So the 2nd equation becomes:
4 x + 3 * ( - 3 x - 1 ) = 2
4 x - 9 x - 3 = 2
- 5 x = 2 + 3
- 5 x = 5
x = 5 : ( - 5 ) = -  1
y = - 3 * ( - 1 ) - 1 = 3 - 1 = 2
Answer:  x = - 1,  y = 2.
Answer Link

Otras preguntas

Why does Louis XIV want to expand France's border?
What is 0.05 percent of 6.5?
What are abiotic factors of the enviroment lynx
USE A NUMBER LINE TO FIND 8/9 / 8/45.
what does etymology study?
What is the slope of any line parallel to the line 8x + 9y = 3 in the standard (x,y) coordinate plane?
Which period was the “golden age of dinosaurs”? a. the Triassic Period b. the Jurassic Period c. the Cretaceous Period d. the Tyrannosaurus Period
What are abiotic factors of the enviroment lynx
What is 0.05 percent of 6.5?
The significance of the Open Door Policy for the United States lay in its (A) providing a use for the Philippines as a way station between China and the United