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

What is the value of x, when 10(x + 2) = 5(x + 8)?
In a series circuit, if one of the bulbs blew out, the other bulb would a. not be able to light up. b. stay lit but be very dim. c. stay lit in the same way.
How is it possible for a male and a female who both have brown hair since birth produce a child with blond hair?
Which is an accurate description of Sam Adams, Patrick Henry, and Thomas Paine? A. U.S. presidents B. founders of colonies
a rectangular has an area of 30 square meters and a perimeter of 34 meters what are the dimensions of the rectangle
How do I catch up on work with a tight schedule
How one interprets the world is referred to as?
Argue for or against the limitation of speed limits.
give three examples of stimuli that your sensory receptors are responding
Help me please, I really struggle with graphs