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

One of the more potent weapons available to the government is public disclosure, which is the requirement that businesses reveal information to the public about
how long did it take women to win the right to vote, from women's earliest efforts toward that goal to the ratification of the 19th Amendment to the Constitutio
Describe how the introduction of a new predator can cause to extinct.
What happens to glucose inside a cell during cellular respiration
On Saturday, five members of an ecology club repaired the trail in a nature preserve. The mean number of hours that the club members worked is 7 hours. The hour
write the solution to the given inequality in interval notation.
Simplify (8x^2+2y-6) + (2x^2+7y)
The transport of molecules of a particular solute from inside an animal cell across the cell membrane to the extracellular fluid always requires energy when ___
Food chains show A. genetic relationships B. past extinctions C. predator-prey relationships D. all forms of competition
I need helllllllllllllp!