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

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

What are values? Give me two examples of values you have.

Leila is buying a dinosaur model. The price of the model is x dollars, and she also has to pay a 7% tax. Which of the following expressions could represent how

What is two zero two four

Is it legal to make a "rolling stop" at intersections that have stop signs? why or why not?

Definition of Graph of a Polynomial Function?

The density of blood is 1.05 kg/m3, find the mass of a bag of blood for a transfusion, if the volume is 1.5 m3.

PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!

0.000701 in standard notation

what is the definition of ultraviolet

y+2=−3(x−4) Complete the missing value in the solution to the equation. ( ,-2)