SOLUTION: if 9x=25, then 3X-1=?

Question 1091900: if 9x=25, then 3X-1=?
Answer by ikleyn(52834) (Show Source): You can put this solution on YOUR website!
.

If 9x = 25, then 3x =  =  and, hence,


3x - 1 = .

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The lesson to learn from this solution.

    It is intended to check whether you can solve it using minimal number/set of arithmetic operations.

    If you made unnecessary arithmetic operations - you lost . . .

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