answer my question please
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957=609×1+348
609=348×1+261
348=261×1+87
261=87×3+0
HCF=87
87=348-261
87=348-(609-348)
87=348-609+348
87=2×348-609
87=2×(957-609)-609
87=2×957-2×609-609
87=2×957-3×609
87=609(-3)+957(2)
87=609x+957y
so, x=-3 and y =2
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