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

Kylie started basketball practice at 2:30 p.m and finished at 6:00 p.m how long was kylie at basketball practice

Anything less than ___________ would betray the civil war's meaning, black spokesmen insisted.

How do you do this question?

In a nonpolar covalent bond, protons are shared equally by two atoms. electrons are shared equally by two atoms. electrons are shared unequally by two atoms. pr

_____ is a strategy whose goal is growth, based on selling in areas or to groups previously not served by the business. A. Market penetrationB. Market expansion

Having trouble to find the answer help plssssss

Which environment is not an important dimension of a business organization's external environment?

What is the sum of the series?

^^^^^^^^^^^^^^^^^^^^

After the death of solomon, tensions between the nothern and southern tribes led to the establishment of which 2 kingdoms?