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

What is the true solution to the equation below? 2 In e^In2x -In e^In10x = In 30 x=30 x=75 x=150 x=300
I have to pay my friend $1 increased by 50% each day for 20 days. How much do I have to pay him at the end of the 20 days.
The three painting below are example of what type of religious depiction
Find the coordinates of the other endpoint when you are given the midpoint (point M) and one of the endpoints (point P). P = (2,-3) M = (6,-1)
what is (a+b)3-(a-b)3-8b3?
during replication, DNA _____. a. remains intact b. makes rna c. is copied d. directs protein synthesis
find the surface area of the regular triangular pyramid
A circular gear turns 60 per hour. through how many radians does it turn in a 24-hour day?
What is the mass of 2.56 × 10–4 moles of Fe2O3?
In each figure, a|| b . Determine whether the third figure is a translation image of the first figure. Write yes or no. Explain your answer. a. Yes; it is one r