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

NO LINKS!! Please help me with this horizontal ellipse. Part 3a​
PLEASE HELP ME! I NEED THIS QUICKLY! Its relating to analog and digital waves
the table shows the elevation of four swimmers. Which swimmer dives down the farthest?A. Swimmer CB. Swimmer BC. Swimmer DD. Swimmer A
A rectangle has a length of 26 inches and a width of 14 inches. If 1 inch = 2.54 centimeters, find the area of the rectangle in centimeters. Round the answer to
The slope of the line whose equation is 2x + 5y + 1 = 0 is0-2750-1/5O5/2
I need to find the easiest way to learn how to divide fractions and mixed fractions. I also don't get how to simplify.
how many dogs in the world
oranges cost $3.42 for 9 pounds at this rate how much would 12 pounds cost ?
Below is the market for kumquats in the United States both with free trade (without a quota) and with a quota Calculate each of the values in the following tab
If you swim beneath the surface in saltwater, will the pressure be greater than in freshwater at the same depth? Why or why not?