. Find the value of kif: 2kx+3y=5 and 5x+9y=11 has Unique solution li. No solution
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2kx+3y=5
=2kx+y=3-5
=2kx+y=2
=kxy=2÷2
=kxy=1
answer
5x+9y=11
=5x+y=11-9
=5xy=2
xy=5÷2
xy=2.5
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