di) 6x+3y=6xy
2x + 4y = 5.xy
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Step-by-step explanation:
6x + 3y = 6xy _________ × 2
2x + 4y = 5xy _________ × 6
⇒ 12x +6y = 12xy
12x + 24y = 30xy
________________
-18y = - 18xy
⇒ x = 1
⇒ y = 2
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