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

help me check pls! thanks!!
An acute angles measure is:
i will give 100 points plz answer quick!!!
A simple sentence contains
Identify the sentence type. It suddenly became dark, as if someone had turned out the lights. chose A,B, or CA.) compoundB.)bothC.) complex
Can somebody help me with this ?? :)
What is the value of x to the nearest degree? A.32 B.85 C.82 D.58
which of these questions is a scientific question? A) Are lentils a more enjoyable source of fiber that black beans? B)Which contains higher level of vitamin B
7^14/7^15 will mark brainliest
Many drugs used during surgery can interfere with the urination process. in these cases, the excretory system is not damaged, but the correct signals are not be