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

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asked Jan 6, 2018 21.8k views

2 Answers

Norman · Answer 1 · 2018-01-08T02:36:41+0000

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

John Eikenberry · Answer 2 · 2018-01-10T08:43:37+0000

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

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

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