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

The sum of three numbers is 64. The second number is 3 more than the first. The third number is 11 less than twice the first. Find the numbers.
what is the mathematical name for a can of soup.
Three times a number plus twice another is 10, while their sum is 10, Find the numbers
the region of flat land down by the ocean
What is the range of numbers along the lines of longitude
To transform a plant, scientists inject DNA into a plant leaf. TRUE OR FALSE?
drew's weekly allowance is $8. His friend jan's weekly allowance is $10. Drew spends $3 a week and jan spends $4 a week. WRITE TWO EXPRESSIONS TO SHOW HOW MUCH
Can a camel survive in : Arctic , desert , town , forest and ocean?
Which sentence uses a verb that agrees with its compound subject?  A.Either calculators or an adding machine make an accountant's work easier.  B.Both cows and
Basic. Is to luxurious as common is to