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

what is the greatest common factors of 12 and 27
Which type of resource are newspaper accounts written at the time an event occurred? primary source documents top-down source documents secondary source documen
Why is John D. Rockefeller famous? A. He started as a low-paid iron worker in a mill and eventually became the founder of U.S. Steel Corporation. B. He owned se
How do you write .344 as a fraction in lowest terms
What type of government combines both unitary and confederal political systems?
Express the ratio or rate as a fraction in simplest form 35 out of 149
How might human activities affect the matter cycle
Why earth isn't getting bigger even though the continents are spreading apart
Greenland, the largest island in the world, is 21 times larger than Iceland. The combined area of Greenland and Iceland is 880,000 mi2. Write an equation to fin
In the era of the French Revolution, France faced many of the same issues as those faced by the colonies in the American Revolution. Which problem affected both