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

Which two questions cannot be answered through science?

Si el conductor de un automóvil desea aumentar su rapidez de 39mi/h a 81mi/h mientras corre una distancia de 941ft ¿Cuál es la aceleración constante que debe ma

what are interesting facts about selenium?

Prue wants to buy 30 cupcakes. What is the best price for 30 cupcakes?

The experiment step of the scientific method is testing the prediction. O True O False

The diameter of a circle is 10 m. Find its area to the nearest tenth

Can 10 9 8 lengths form a triangle

Which instrument is NOT a member of the brass family?

meaning of the outbreaks

what’s the equation to find its final tempature T_f ?