sidneyrider sidneyrider
  • 03-02-2021
  • Mathematics
contestada

solve by substitution y=-3x-19 and 5x+8y =0

Respuesta :

crystivia
crystivia crystivia
  • 03-02-2021

Answer:

x=-8, y=5

Step-by-step explanation:

y=-3x-19

5x+8y =0

Substituting -3x - 19 into y makes the second equation:

5x+8(-3x - 19) = 0

5x - 24x - 152 = 0

-19x = 152

x = -8

Plugging -8 into x, our first equation becomes:

y = -3(-8) - 19

y = 24 - 19

y = 5

Answer Link
Hiiiiiiiiiiiiiiiie Hiiiiiiiiiiiiiiiie
  • 03-02-2021
X is 8 and y is 5, have a nice day:)
Answer Link

Otras preguntas

how do you now 11/33 is a simplest form
Why did populations soar between 1800 and 1900?
How did the alliances that formed in Europe after world war 2 form an "iron curtain" as described by Winston Churchill in a 1946 speech?
how do you now 11/33 is a simplest form
How did the alliances that formed in Europe after world war 2 form an "iron curtain" as described by Winston Churchill in a 1946 speech?
What's an equivalent fraction for 10 15 by dividing
Orchids are a type of flowering plant. How would biologists explain how a living orchid species lacking leaves evolved from an ancestral orchid species that had
Substitution how do u do it??
y varies directly as x. if x=5 when y=12 find x when y=30
My daughter needs a synonym for tired and all the word she has is problem , story and banquet