ghazalbustami ghazalbustami
  • 03-10-2020
  • Mathematics
contestada


x + 5y = 28
- x - 2y = -13

Respuesta :

us8765594229
us8765594229 us8765594229
  • 03-10-2020

Answer:

x=3

y=5

Step-by-step explanation:

x+5y=28 (i)

-x-2y=-13. (ii)

add equation 2 from equation 1

x+5y=28

-x-2y=-13

3y=15

y=5

put the value of y in equation 1

x+5y=28

x+5*5=28

x+25=28

x=28-25

x=3

Answer Link

Otras preguntas

what is the goals of the Safety Office of the Department of Transportation?
Is federal income tax a direct or indirect tax? Explain your answer.
Each golf club is numbered. a. True b. False
Write a chemical equation representing the first ionization energy for lithium while using e as a symbol for electron.
any person help me please
Reduce 24/40 to its lowest terms. a. 2/5 b. 4/5 c. 3/5 d. 12/20
If you have a gross of items, you have 144 items. If you buy a gross of eggs, how many dozen eggs do you have?
What might the following description from Franz Kafka's The Metamorphosis represent for the Samsa family after Gregor's death? The cleaner shut the door and ope
Where are dangerous bacteria NOT likely to be found? a. A healthy food handler b. Raw meat and poultry c. The soil and water d. A sanitizing solution
a random number generator is used to model the patterns of animals in the wild. this type of study is called