M5ozenfreeal M5ozenfreeal
  • 18-01-2017
  • Mathematics
contestada

If 2y - x = 8 , and 3x - y = 1, what is the value of x ?

Respuesta :

Аноним Аноним
  • 18-01-2017
Hello.

The answer to your question is 
x = 2
and y = 5

Have a great day!
Answer Link
apologiabiology
apologiabiology apologiabiology
  • 18-01-2017
order in ax+by=c form
-1x+2y=8 and
3x-y=1
cancle y's
multiply 2nd equation by 2
and add to first

-1x+2y=8
6x-2y=2 +
5x+0y=10

5x=10
divide both sides by 5
x=2

the value of x is 2
Answer Link

Otras preguntas

use elimination to solve x + 4y =  -8 and x - 4y = -8
what U.S document states the law for how Tyler became President?
if 283 is divided by 4 where should the first digit of the quotient be placed
if 10 800 cm2 of material is available to make a box with a square base and an open top find the largest possible volume of the box.
a basket of laundry is being separated.  Divide 48 pieces of clothing into 2 groups so that the ratio is 1:3
a basket of laundry is being separated.  Divide 48 pieces of clothing into 2 groups so that the ratio is 1:3
Describe how energy and matter move through the food web and carbon cycle
What is realpolitik?
Describe how energy and matter move through the food web and carbon cycle
In 1787, delegates met in Philadelphia. They came from all of the 14 states except?