LiyahWasHere15 LiyahWasHere15

01-11-2015
Mathematics

contestada

What is the solution to the system of linear equations y-x=4 and y+2x=1?

Respuesta :

Panoyin Panoyin

02-11-2015

-x + y = 4
2x + y = 1
   -3x = 3
      -3 -3
      x = -1
2x + y = 1
2(-1) + y = 1
   -2 + y = 1
   + 2    + 2
   y = 3
(x, y) = (-1,3)

Answer Link

Otras preguntas

What's the percent from change from 60 to 90

Describe three of the camera shots described in the article.

A student argues that being separated geographically is the only way for speciation to occur. Why is he wrong?

Which macromolecule is the main source of energy for living organisms? A_fat B_nucleic acid C_protein D_carbohydrates

And the dish ran away with the spoon. This line is an example of what term? A. onomatopoeia B. alliteration C. imagery D. personification

an arch way is modeled by the equation y=-2x^2+8x. A rod is to be placed across the archway at an angle definded by the equation x-2.23y+10.34=0. If the rod is

As the average age of the nation’s population increases, there will be a need to?

Sending a busy manger a long email represents a problem in which area of the Communication process

On a map, the distance between milvale and dracut is 1 and 1/4 inches. if the map uses a scale in which a 1/4 inch represents 1 mile, what is the actual distanc

Where did the Wright brothers build their first plane? A. in their bicycle shop B. on a beach C. in their garage D. in a wind tunnel