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

How many solutions does the system of linear equations represented in the graph have? Coordinate plane with one line that passes through the points 0 comma 2 an
Consider the polynomial function p(x)=-5x^6-3x^5+4x^2+6xp(x)=−5x 6 −3x 5 +4x 2 +6xp, left parenthesis, x, right parenthesis, equals, minus, 5, x, start su
(Please Answer Quickly) Find the distance between the point and the plane. (Round your answer to three decimal places.) (4, 2, 1) x − y + 2z = 6
The value of 3 in 6,300 is _____ times the value of 3 in 530.
Solve The Equation. 6x-6= -9(4x-1/3)
For each function f, find f^-1 and f^-1(5). f={(-1,5), (0,0), (2,6)}
at the market opening, a customer purchases 200 shares of an S&P 500 inverse etf (-1x) at $50 per share. At the end of that day, the s&P 500 index decli
simplify fully 40/56​
The sizes of matrices A and B are given. Find the sizes of AB and BA whenever they are defined. (If the matrix product is undefined, enter UNDEFINED.) A is of s
Solve the inequality