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

State whether the following statements are true or false. Justify.(i) For an arbitrary binary operation * on a set N,  a * a = a ,  for all a * N.(ii) If * is a
How many flags are in this wolld ;)
graph y=3sinx and y=sin 3x on the same axes. label the graph of each function.
simplify (1/x) + (1/(x+h)
How many hours are 180 minutes
If the length of each side of a square prism is ten feet. Find the total surface area of this object
How is 3x-y=8 and x+2y=5 solved by combination (addition)?????
A movie starts at 7:00 pm and lasts 108 minutes. What time does the movie end?
Is the E-CIG industry more "safe" than the actual tobacco companies? Why? If someone offered you E-CIGS than cigarettes would you say yes or no? Why?Full Paragr
the length L of a spring is given by L=(3/4)F + 5 where F is applied force. What force F will produce a length of 8?