garrett8552 garrett8552
  • 03-12-2020
  • Mathematics
contestada

69,5)
)
Solve each system of equations by elimination
9. x + y = -5
x - y = 9

Respuesta :

oscar236
oscar236 oscar236
  • 03-12-2020

Answer:

(2, -7).

Step-by-step explanation:

x + y = -5

 x - y = 9           Adding, to eliminate y:

2x = 4

x = 2

Plug this into first equation:

2 + y = -5

y = -5 - 2

y = -7.

Answer Link

Otras preguntas

What happens during photosynthesis? a) carbohydrates are released into bloodstream b) carbon dioxide is released into air c) an organism captures energy in sunl
Which statement about the statuses of the Manchu and Han ethnic groups under the Qing dynasty is correct? A. The Han were the minority, but had the highest so
Can you please help me?
how many numbers do you need in order to number a book with 1200 pages add 1+2+3+4+5+6+7+8+9+10+11+12+13....etc. answer asap!!
What is the GCF of 4x+12
Identify the correct in-text citation for this bibliography entry: Schwartz, Morrie. Morrie: In His Own Words. New York: Dell Publishing, 1996. A. (Schwartz, 23
Onsumers sometimes make choices that cause negative information to be put on their credit reports. Which of these is the most likely number of years that this n
how do you say "i like flowers" in french?? i'm not allowed to use online translators
B) Plot the point B(2,-2) and C(-3,0) on the grid.
HELP A PERSON OUT PLEASEEE