haley3201
haley3201 haley3201
  • 23-02-2017
  • Mathematics
contestada

use the linear combination method to solve the system of equations. 2x-3y=13 and x+2y=-4

Respuesta :

pasha
pasha pasha
  • 23-02-2017
2x - 3y = 13  /*2
x + 2y = - 4   /*(3)

4x - 6y = 26
3x + 6y = - 12
---------------------- + 
4x + 3x = 26 - 12
7x = 14
x = 2

y = ( - 4 - x)/2 = ( - 4 - 2)/2 = - 6/2 = - 3

Answer 
( 2; - 3)
 

Answer Link
beymaker250
beymaker250 beymaker250
  • 02-03-2021

Answer:

(2,-3)

Step-by-step explanation:

Answer Link

Otras preguntas

2. 1. Which of the following translations is needed to carry preimage ARST to its image AR'S'T'? Ay 5 SY 7 -5 5 R' 1 R - ロロロ A (x,y) → (x +3, y + 4) B (x,y) → (
Dry farming became increasingly difficult in Mesopotamia due to the problem of __________. A. overgrazing B. deforestation C. crop rotation D. seasonal flooding
Carefully dismantling and inspecting a competitor’s product to look for design features that can be incorporated into your own product is known as:_________. A
Flat prats of solid figure
explain how the composition of the universe supports the big bang theory
pls help for this unit
Can someone help me on this question? I’ll give brainliest if you answer soon!!!
Identify like terms in the expression. 12n-6+p+6n ​
Police use the formula: v = √ 20 L to estimate the speed of a car, v , in miles per hour, based on the length, L , in feet, of its skid marks when suddenly brak
Select the correct answer.