richlion12 richlion12
  • 06-11-2020
  • Mathematics
contestada

What is the solution to this system of linear equations?
2x + y = 1
3x – y = –6

(–1, 3)

(1, –1)

(2, 3)

(5, 0)

Respuesta :

adeeba04
adeeba04 adeeba04
  • 09-11-2020

x = -1

y = 3

2x + y = 1 (eq no 1)

3x - y = -6 (eq no 2)

solve eq no 1

y = 1 - 2x (eq no 3)

enter eq no 3 into eq no 2

3x - ( 1 - 2x ) = -6

3x - 1 + 2x = -6

5x = -5

x = -5/5

x = -1

enter x = -1 into eq no 1

2 (-1) + y = 1

-2 + y = 1

y = 3

Answer Link
justalittlebit64 justalittlebit64
  • 09-12-2020

Answer:

A. (-1,3)

Hope this helps :D

Answer Link

Otras preguntas

Why does the constitution give the president veto power?
solve each system using elimination. tell whether the system has one solution, infinitely many solutions, or no solution. x-2y=-1 2x+y=4 x+3y=4 2x-6y=8 y=-1/2x-
4x+15y=13 3x+5y=16 solving systems by elimination
Why Was Piety Was So Important To The Puritans ?
Simplify-3(4a-5b)-(a-b)
why is CCl4 a nonpolar molecule, but PCl3 is a polar molecule?
a microwave oven has a power rating of 850 w. If the microwave oven is turned on for 6 minutes ,how much energy will it use? state the units in your answer
The length of a rectangle is five more than the width. The perimeter is 170. Find the length and width. Write equation and solve.
What number to the 4th power makes 256?
Can Freedom of speech be denied/restricted? When? Why is the freedom of speech necessary in a democratic society? I have an Idea of what I want to say but I jus