LiyahWasHere15
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 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

2) The City of Oz has to repaint its cylinder-shaped water tower. Only the top and sides need to be painted. If the water tower has a height of 60 feet and a
What are the qualifications to apply for scholarship? How is it awarded? Give your response in at least three sentences.
How many bootstrap replicates are necessary?
What is the product of -12 and -4
francesca had 32 cups of flour.She used 3/8 of the flour for a recipe.How much flour did Francesca use? Write an equation to model your work.
An elderly woman has had difficulty with digesting her foods because of reduced stomach acid, has had progressively worse nerve pain in her legs, and is now hav
Compared to that of a plane on the ground, is Earth’s gravitational pull on a plane 7 miles above Earth approximately the same?
A parabola is defined by the equation (x-5)2=12(y+2). In which direction will the parabola la open
Read "Sonnet 292” by Petrarch. The eyes I spoke of once in words that burn, The arms and hands and feet and lovely face That took me from myself for such a spac
What is the equation, in point-slope form, of the line that is perpendicular to the given line and passes through the point (−4, −3)?