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

15 POINTS- Karen invented a new product that she makes for $2.45. She sells the product to Walmart marked up 45%. How much does Walmart pay for the product?
What is the product of 3 2/3 and 9 6/7 how could I show my work to this??
i want this but no one understands what i have been through
The Nuremberg laws had what effect on the people of Germany? *
what % is 38 of 24 6th grade mafs please put step by step
Solve the equation 4.6g+5=2.6g+9. a. Find the value of g. b. Explain how you can check that the value you found for g is correct. If your check does not​ work,
Pls pls pls???????????????????
use your notes to write an essay that defends or challenges the author's claims and TECHNOLOGY USING IT WISELY be sure your essay includes a claim body paragra
i was happy when i was younger. i was always told war storys about my dad when i was younger, i listened to alot of country, i played videogames and we always w
Which of the following is true of algorithms? A. Algorithms may have an infinite set of instructions B. Algorithms must be expressed using a programming langu