For what value of x does 3^2x=9^3x-4

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Mathematics

Janelle Hodge

27 May, 08:54

For what value of x does 3^2x=9^3x-4

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Deangelo · Answer 1

So the easiest way to do this is to give both of the exponential equations a base number. The base number for this equation is 3. 9 is 3 squared right? so 3^2x = 3^2 (3x-4). Now distribute the 2 to 3x-4 and cancel out the 3's since they are equal on both sides. Now solve for X.