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

2. Label the countries

Please help me I’m in desperate need

The package insert for the platelet-inhibiting drug Integrilin lists a dosing rate of 2.0 micrograms per kilogram per minute. What's the equivalent rate in term

Choose the word that best defines the italicized word from the novel Frankenstein “Such a declaration... would not have exculpated her who suffered through me”

Please help me with this question

Humans conduct _____.external fertilizationinternal fertilizationconjugationpollination

When you breathe out, what gas does the body get rid of?

During his presidency, what two nations did Reagan attack in defense of American interests? A. Panama B. Libya C. Lebanon D.Grenada

in the sq4r method of reading text what is the purpose of reciting A. to practice answering questions B. to preview material before reading it C. to question t

a glass paperweight has a composite shape: a square pyramid fitting exacty on top of an 8 centimeter cube. The pyramid has a height of 3 cm. Each triangular fac