Cross multiplication of 6x+5y=11,9x+10y=12
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Step-by-step explanation:
6x+5y=11
9x+10y=12
12(6x+5y)=11(9x+10y)
72x+60y=99x+110y
72x-99x=60y-110y
-27x=-150y
xy=150/27
=50/7
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