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

How many grandparents have my grandparents? who can solve it is very good on maths! it is just a lpgic problem! i know the answer :)
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
What is 1997 from 2014????????????
Which of the allies suffered the greatest losses on D-Day
China, Korea, and Japan share cultural similarities in part due to their (1) clashes with Russian imperialists (2) shared river systems (3) contacts through tra
Suppose you ride your bicycle to the library traveling at 0.5 km/min. It takes you 25 minutes to get to 1.3 the library. How far did you travel?
3x+y=4 2x+y=5 solve using linear combination
What is the slope of any line parallel to the line 8x + 9y = 3 in the standard (x,y) coordinate plane?
What were some events/things that caused the Great Depression?
what does etymology study?