123ddde 123ddde
  • 03-05-2017
  • Mathematics
contestada

Solve the system of equations.





2x + 3y = 13
–6x + 4y = 0

Respuesta :

Аноним Аноним
  • 03-05-2017
2x + 3y = 13
–6x + 4y = 0
multiply the 1st equation by 3

  6x + 9y = 39
–6x + 4y = 0
------------------add
         13y = 39
             y = 3

–6x + 4y = 0
–6x + 4(3) = 0
  - 6x + 12 = 0
          -6x  = -12
              x = 2
answer
Solution (2, 3) or x = 2; y = 3

Answer Link

Otras preguntas

Atoms of different isotopes of the same element differ in their total number of (1) electrons (3) protons (2) neutrons (4) valence electrons
The reaction between an organic acid and an alcohol produces (1) an aldehyde (3) an ether (2) a ketone (4) an ester
calculate the time required for a 6000.-Newton net force to stop a 1200.-kilogram car initially traveling at 10. M/s
What is economic, social, and political change??
Which element is malleable and a good conductor of electricity at STP? (1) argon (3) iodine (2) carbon (4) silver
Solve for R. K=ar/p Answer choices: R=ka/p R=kap R=kp/a R=a/kp
All organic compounds must contain the element (1) phosphorus (3) carbon (2) oxygen (4) nitrogen
how to say wrong in french
What is power of the state?
Jenna flips two pennies 105 times how many times can she expect coins to come up with heads