Heritierwakilongo Heritierwakilongo
  • 13-11-2019
  • Mathematics
contestada

15. x - y = 4
2x+y=5​

Respuesta :

alice184 alice184
  • 13-11-2019

Answer:

x = 3, y = -1

Step-by-step explanation:

1) x - y = 4

2x + y = 5

2) 3x = 9

3) x = 3 (9/3)

4) 3 - y = 4

(x - y = 4)

5) -y = 1 (4-3)

6) y = -1

Answer Link

Otras preguntas

1.) x/-2=-3 What is the answer of this question
lisa is planning to buy oak fence to put around her (-7x-3) feet by (9x +2) feet rectangle garden. if each foot cost 11 $ how ch will the total oak fencing arou
what is the use of liquid electrolyte?​
Tres hermanas reciben una herencia de modo que la segunda recibe estilo en línea 1 medio fin estilo de lo que recibe la primera y la tercera recibe estilo en lí
Synonyms for abandoned
Write these times in Spanish using the terms you know below. 2:30 pm : Son las dos y media de la tarde 5:15 am : 10:00 pm : 11:10 am : 4:45 pm : 14 POINTS PLEAS
Distinguish between striated and non-striated muscle.
I need Advantages and Disadvantages of the internet
Hope me with all this slide :( TYSMMM
Point R is on line segment QS. Given RS = 13 and QS = 20, determine the length of QR