SOLUTION: 2^(7 - 3x)=4^-1

Question 47438: 2^(7 - 3x)=4^-1
Answer by longjonsilver(2297) (Show Source): You can put this solution on YOUR website!

So we have an equation that says "2 to power (7-3x)" is EQUAL to "2 to power -2"

So, the 2 powers must be the same number.
So 7-3x = -2
7+2 = 3x
9 = 3x
or 3x = 9
--> x = 3

jon

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