Jasmine2091 Jasmine2091
  • 02-06-2015
  • Mathematics
contestada

what is the solution to this system of linear equations:
y-x=4 and y+2x=1

Respuesta :

Panoyin
Panoyin Panoyin
  • 04-06-2015
 -x + y = 4
2x + y = 1
    -3x = 3
     -3    -3
       x = -1
   -x + y = 4
-(-1) + y = 4
     1 + y = 4
  - 1         - 1
           y = 3
(x, y) = (-1, 3)
Answer Link

Otras preguntas

Which of the following best describes the concept behind Web 2.0
What sentence type includes both a subordinate clause and an independent clause?
How many three-digit numbers greater than 200 can be formed from the digits 1, 2, 6, 7, and 9, if the digits can be repeated? Please help if anyone can !! :) 12
What is an example of a federal government regulation that influences disease prevention by deterring tobacco use?
During destructive interference, two waves travel through the same medium and the effects of the first wave are ___________ the effects of the second wave
You and two friends visit a pizza shop. There are 14 toppings. 7 toppings are meat and the rest are vegetable. Each of you orders a different topping (no repeat
How does Mrs. Ebbling view her own death? A. with fear B. with bitterness C. with acceptance D. with religious hope
is a charge of 5.8×10^-18 is possible
Find the measure of angle C.
Select the correct description for the words in bold. Like the proverbial​ cat, she seems to have nine lives.