chino54 chino54
  • 04-02-2019
  • Mathematics
contestada

Solve 2x+y=3 x+y=5 in substitution method

Respuesta :

Kampe Kampe
  • 06-02-2019
2x+y=3
- x+y=5
---------------
x=-2

2(-2)+y=3
y=7

-2+y=5
y=7

(-2,7)
Answer Link

Otras preguntas

Which of these factors a may affect a person's blood alcohol concentration? O gender O race O blood type age
5. What device would an elderly person most likely have trouble hearing? (Assume each sound has the same decibel level) O A. a car horn O B. a smoke alarm O C.
Which statement describes the behavior of the function f (x) = StartFraction 2 x Over 1 minus x squared EndFraction?.
I really need help on this one to thank you so much if your help will make the brainiest Grammarly autocorrected me
Why might lymph nodes swell if a person has an infection?
Two rectangles share a common side as shown. Determine whether each expression can be used to determine the total area, in square feet, of the two combined rect
Define resistance of a conductor. State the factors on which resistance of a conductor depends.Name the device which is often used to change the resistance with
For this assignment, you choose between two different types of essays:An essay that focuses on what a character learns over the course of a story, orAn essay th
The square of a difference of numbers is the different of their squares? Always true Sometimes true Never true
HELPP PLEASE!!!!!!!!!!!!!!!!!!!!!!