KyrosStMarie
KyrosStMarie KyrosStMarie
  • 09-08-2017
  • Mathematics
contestada

Which ordered pair is the solution to the system of equations?
x + 3y + -12
y = [tex] \frac{1}{3} [/tex]x - 6

Respuesta :

liemonder liemonder
  • 09-08-2017
[tex]I: x+3y-12=0\\II: y=\frac{1}{3}x-6[/tex]

substitute y of II in I:
[tex]x+3*(\frac{1}{3}x)-12=0\\ 2x-12=0\\ x=6\\[/tex]

x=6 in II:
[tex]y=\frac{1}{3}*6-6\\ y=2-6=-4[/tex]

so (6,-4) should be the solution

Answer Link

Otras preguntas

What is half of an obtuse angle
If x + 3 is a multiple of 3, which of the following is not a multiple of 3? (A) x (B) x + 6 (C) 6x + 18 (D) 2x + 6 (E) 3x + 5
If pencils sell at 6 for 59 cents how many pencils can be bought for 2.95
Screen measures 30 cm wide n 22 cm high what is the diagonal measure of the screen
On a line segment B is between AC and C is between B and D using the segment addition postulate if AB=7 AC=15 AD=32 what does BC BD and CD equal
12overx+7=13over X what's the answer
How are the names of Washington D.C. streets running north to south organized?
Screen measures 30 cm wide n 22 cm high what is the diagonal measure of the screen
what could be some possible results of stricter slave codes in the south?
what could be some possible results of stricter slave codes in the south?