ashlynnrae9
ashlynnrae9 ashlynnrae9
  • 20-05-2017
  • Mathematics
contestada

Solve the equation by using the combination method

3x-2y=12

-3x+8y=-6

Respuesta :

altavistard
altavistard altavistard
  • 23-07-2018

Combine the 2 equations:


3x-2y=12

-3x+8y=-6

---------------

6y = 6, which tells us that y=1.


Now subst. 1 for y in the 2nd equation: -3x +8(1) = -6.

Then 14=3x, and x = 14/3.


The solution is (14/3,1).


Answer Link

Otras preguntas

who saved themselves during the civil war
who was the first president ?​
Solve the equation below. 14x+312=2(12x+34) What is the value of x? A.23 B.54 C.32 D.83
Please hurry I need help!.!.!.!
what are the benefits of community policing. choose all answers that are correct A: Po
Is Tris mass spectrometry compatible?
Which of the following is an example of a product that can be made from plants?
Music can serve many functions. It can be sung, danced to, listened to, or played. Some music can be used in more than one way. true or false
Which city is a symbol and center of Russian culture? Volgograd Moscow Irkutsk St. Petersburg
Helicopters can land on circular pads. The area of a landing pad is 1,962.5 square feet. What is the radius of the pad? Use 3.14 to approximate pi.