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otez555 [7]
3 years ago
9

Find the solution of this system of equations.

Mathematics
1 answer:
Tems11 [23]3 years ago
3 0

Answer: x=-21, y=-33

x-y=12,\\18x-12y=18 ( divide by 6)\\3x-2y=3,  2nd Eq.\\multiply- first -equation by 2\\\\2x-2y=24, 1st Eq.\\subtract-the- second -equation- from -first\\2x-3x=24-3,\\-x=21 or x=-21,\\\\substitute-the-value-of -x\\-21-y=12,\\y=-21-12= -33\\

Step-by-step explanation:

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