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

Nicholas is covering a triangular area with mulch. The base of the area is 22 ft, and the height is 10 ft. One bag of mulch covers 8 square feet. How many b
jhon made a 77% on his science test. if he answered 34 questions correctly, how many questions were on the test?
An auto parts dealer borrowed $150,000 at a 9.5% annual simple interest rate for 1 year. Find the maturity value of the loan.
Congress tried two times to impeach President Johnson, but he was acquitted both times. True or False?
When something is a major problem or disaster, it is called a _____ . A. spectacle b. receptacle c. debacte d. oracle
Find the area of the shaded region. Use 3.14 for π. 54.88 sq meters 29.76 sq meters 67.44 sq meters 25.12 sq meters
What effects do currents have on objects in the ocean
Is a seed a living thing?why
Because we made so many mistakes on the test, we failed the class. How would be above sentence best be rewritten in the passive voice? A) Because we make so m
The type of exercise that involves applying force with movement (such as in the bench press) is called ________.