Debiklauminzer Debiklauminzer
  • 02-04-2020
  • Mathematics
contestada

Solve the following systems of equations

x+3y=-23
-x+4y=-26

Respuesta :

georgiabut
georgiabut georgiabut
  • 02-04-2020

Answer:

y = -7, x = 2

Step-by-step explanation:

x+3y=-23  (eq 1)

-x+4y=-26 (eq 2)

eq1 + eq 2

7y = -49

y = -7

Sub y = -7 into eq 1

x+3(-7) =-23

x -21 = -23

x = 2

Answer Link

Otras preguntas

Marine biologists are concerned that pollution from a nearby factory has affected the health of local sea urchins. Which of the following is most likely to be t
A student answered 42 problems on a test correctly and received a grade of 70%. How many (total) problems were on the test, if all the problems were worth the s
Based on this excerpt, summarize the job of mitochondria. Excerpt: "About the size of pickup trucks from where you're floating, the organelles called mitochondr
Kyla spends 60 minutes of each day exercising. Let be the number of days that Kyla exercises, and let represent the total minutes of exercise in a given time
Pls help will give brainlest to first person who answer correct 50 points
Evaluate the following expression: 4 + (3x +y) When x = 2 and y = 9
Write the rational number as a decimal. 7 over 40​
PLEASE THIS IS URGENT!! (08.02)Which of the following graphs best represents the solution to the pair of equations below? y = x + 1 y = −x − 1
Free-riders are individuals that benefit from a service, but do not contribute to the service directly. Please select the best answer from the choices provided
please help! show all steps ​