solve 11 x - 7y = xy and 9x-4y=xy. step by step.
Answers
Answered by
2
Step-by-step explanation:
xy(11x - 7y )
11x²y - 7xy²
xy(9x - 4y)
9x²y - 4xy²
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Answered by
0
Answer:
11x-7y=xy
9x-4y=xy
-. + =-
2x-3y=0
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