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Mathematics, 08.10.2019 02:50 sarahidan
If 3 to the power of x+1 = 81 and 81 to the power of x-y = 3 then what is the value of x and y?
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If 3 to the power of x+1 = 81 and 81 to the power of x-y = 3 then what is the value of x and y?...
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