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 is a series of events that cells go through as they grow and divide
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.
How did the depression affect women and children?
Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch
True or False along a divergent boundary, two plates slip past each other,moving in opposite directions.
What's a good slogan for a dietitian (have dietitian in it) ?
Simplify (7-5i)(-3+9i)-(5+6i)^2
What's a good slogan for a dietitian (have dietitian in it) ?
Luke made a model that has 1 circular base and 1 curved surface.what solid figure did he make
when we look at a leaf, we see the colors of light that are reflected off its surface. how does the relatively low flow of oxygen in green light?