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 of the following is the main industry of Luxembourg? a. technology b. farming c. textiles d. automobile manufacturing

why did the colonies and Britain fail to achieve a compromise to avert hostilities?

where is DNA located ? In the chromosome or in nucleus?

Can someone check my answers please? According to Michael Faraday's World, which intrigued Michael Faraday? *A. magnets B. the tides C. volcanoes D. weather &

If the range of the function f(x)=x4 is {28, 30, 32, 34, 36}, what is its domain?

. A pattern of being late for work or for appointments is usually

how do you turn 12.576 into expanded form please explain

the main idea of nullification was that

After World War I, the Ottoman Empire __________. A. became the center of the Muslim world B. became extremely wealthy as a result of the discovery of oil C. wa

. A pattern of being late for work or for appointments is usually