ogray765 ogray765
  • 01-02-2024
  • Mathematics
contestada

use elimination to find the system x+2y=20 and 2x +y=19

Respuesta :

methegenius01 methegenius01
  • 01-02-2024

Answer: x=6 y=7

Step-by-step explanation:

so, we multiply the first equation by 2 to get 2x+4y=40 and we take 2x+y=19 and subtract. we get 3y=21 so y=7 and we plug that in and get x=6

Answer Link

Otras preguntas

Identify the following type of source. Isbel, Jason, ed. Southern Rock Opera. 4 vols. New York: Harcourt, Brace & World, 1976. Print. an anthology books of
In the movie, minerva says a dictator's favorite diet is bread and fear. why do you think she meant by that
What 3 consecutive integers that have a sum of 57?
What transformation is represented by the following coordinate mapping? (a,b) → (a, -b)
Animal farm who said the only good human is a dead one
Can someone pls solve this for me thx
Word Bank allusion metaphor simile alliteration parallelism Fill in the blank with the corresponding number of the correct term. The moon hung like a light bulb
Show your work. Simplify: 7.8x9/4
Which of the following sentences has an adverbial phrase? A. She did not want to touch the lizard. B. She touched the lizard. C. She bravely touched the liz
what are the spacial features of Granite igneous rock