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Challenge 158: An Exponential Enquiry
Can you find the value of this expression without finding the value of x?
Given that 9x + 9-x = 3, can you find the exact value of 27x + 27-x without finding the value of x? How?
Can you find the value of this expression without finding the value of x?
Given that 9x + 9-x = 3, can you find the exact value of 27x + 27-x without finding the value of x? How?