Answer exactly: 4 ⋅ 1.1 x = 8.5I'm having a little trouble formatting the title,...

skynugurq7

skynugurq7

Answered

2022-07-03

Answer exactly: 4 1.1 x = 8.5
I'm having a little trouble formatting the title, but I think it's understandable. It's my first question here, and I'll do what I can to use the MathJaX notation correctly. Also, English is not my primary language, but I'll do my best to get myself understood.
I have the following equation:
4 1.1 x = 8.5
They want the answer to be exact. Unfortunately I haven't been able to get further than this:
x = log 8.5 4 log 1.1
I'm not even sure this is correct, but I think so. Anyone have a good idea how to get further? Maybe I need to start all over?

Answer & Explanation

Miles Mueller

Miles Mueller

Expert

2022-07-04Added 11 answers

4 × 1.1 x = 8.5 1.1 x = 8.5 4 x log 1.1 = log ( 8.5 4 ) x = log ( 8.5 4 ) log 1.1 x = log 1.1 ( 8.5 4 )
What you have done seems to be correct. The last step isn't necessary.

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