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Answer (2x-12)+(1/2xy-10) x=8 y=2

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Input the values x=8, y=2 in the equation
((2x8) - 12) + (1/ (2x8x2) - 10)
= (16 -12) + ((1/ 32) - 10)
= 4 + (0.03125 - 10)
= 4 + (-9.96875)
= 4 - 9.96875
= -5.96875 is the answer

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