Question

For what value of x does 625 = 5 superscript 6 minus 2 x?

Answer 1

This are functions that increases geometrically. The value of x for the expression is true is 1

Exponential functions

This are functions that increases geometrically. Given the expression below:

$625=5^{6-2x}$

Write both sides to the base of 5

$5^4 = 5^{6-2x}$

Cancel the base to have:

4 = 6 - 2x

-2x = -2
x = 1

Hence the value of x for the expression is true is 1

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