stinkyramirez710 stinkyramirez710
  • 08-09-2017
  • Mathematics
contestada

12x+18y=36 8x+12y=24 solve for through elimination

Respuesta :

kphung76127
kphung76127 kphung76127
  • 08-09-2017
Multiply the first equation by 4
48x+72y= 144

Multiply the secondequation by -6
-48x-72y= -144

Add the equations together
48x-48x+72y-72y=144-144
0+0=0
True

Final answer: Infinitely many solutions
Answer Link
choixongdong
choixongdong choixongdong
  • 08-09-2017
12x+18y=36 (1)
8x+12y=24 (2)

divide (1) by (3) and divide (2) by (2)

4x+6y=12 (1)
4x+6y=12 (2)
------------------subtract 
0 = 0

answer
Equations with Infinite solutions
Answer Link

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