Which equations have the same value of x as Three-fifths (30 x minus 15) = 72? Select three options.
2 answers:
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So we have the equation 
, and we want to solve for 
.
First, we are going to apply the log of a power rule:
Next, we are going to divide both sides of the equation by
:
Last but not least, we can use a calculator to evaluate the right hand side of the equation:
We can conclude that the solution of our logarithmic function is. I don't know who told you that the correct answer is 8, but they is wrong.
First, we are going to apply the log of a power rule:
Next, we are going to divide both sides of the equation by
Last but not least, we can use a calculator to evaluate the right hand side of the equation:
We can conclude that the solution of our logarithmic function is