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Ashley solved the exponential equation 3x+1 = 15 and her work is shown below. What is the first step she did incorrectly?

Question

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Ashley solved the exponential equation 3x+1 = 15 and her work is shown below. What is the first step she did incorrectly?

anonymous · Answer

Step 1: log 3^x+1= log15

loveyourself99 · Answer

log?

anonymous · Answer

Step 2: (x + 1)log 3 = log15
Step 3: x + 1 = log 15 over log 3
Step 4: x+1 = 2.708050 over 1.098612
Step 5: x + 1 = 1.418858
Step 6: x = 0.418858

anonymous · Answer

I'm not totally postive what a log is for Algebra 2

loveyourself99 · Answer

you take 15 -1 that gives you 14. you take 14 divided by 3

loveyourself99 · Answer

that gives you 4.66666666667

anonymous · Answer

So Step 4 is wrong @loveyourself99

loveyourself99 · Answer

yes very wrong

anonymous · Answer

Thank you for your help and I kinda understand it better now @loveyourself99

loveyourself99 · Answer

you're welcome i love this kind of math