jennyynava70 jennyynava70
  • 14-05-2020
  • Mathematics
contestada

Solve the system using the method of you choice:
-x + 4y = 12

5x - 2y = -6

Respuesta :

altavistard
altavistard altavistard
  • 16-05-2020

Answer:

(0, 3)

Step-by-step explanation:

Let's first eliminate x.  To do this, multiply all three terms of the first equation by 5:  

-5x + 20y = 60

5x -    2y  = -6

----------------------

         18y = 54, so that y = 3.

Substituting 3 for y in the first equation yields:

-x + 4(3) = 12, or -x = 0.  Thus, x = 0, and the solution is

(0, 3)

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