bignyeia bignyeia
  • 11-09-2020
  • Mathematics
contestada

-5x - 2y = 13
-4x + y = 0
Solve by substation

Respuesta :

felicityt026
felicityt026 felicityt026
  • 11-09-2020

Answer:

(x,y)=(-1,-4)

Step-by-step explanation:

-4x + y = 0

+4x         +4x

y=4x

-5x - 2y = 13

+5x          +5x

-2y = 5x+13

-2(4x) = 5x+13

-8x=5x+13

-5x -5x

-13x/-13=13/-13

x=-1

Thus:

y=4x

y=4(-1)

y=-4

Answer Link

Otras preguntas

What can BEST be concluded from the information in this chart? A) East Asia is the poorest region in the world. B) Latin American education is
volatile organic compounds
common noun and proper noun
12x²-7x+10=0 by quadratic formula
Which sentence best explains the statement writing is rewriting? A. Writing well can easily be done in two steps.B.The first draft is usually very poorly constr
± √2 write the quadratic eaquation with the given roots.
In what city or country could you celebrate a sweet 15 ?
Solve this k/3+4-2k=-9k
how to find the period of a wave
a patient contracted a disease just by being in the same room with an infected individual for an extended period of time. which of the following modes of diseas