Using the first law given above, our answer is

`log\ 7x = log\ 7 + log\ x`

**Note 1:** This has the same meaning as `10^7 xx 10^x = 10^(7+x)`

**Note 2: **This question is **not** the same as `log_7 x`, which means "log of *x* to the base `7`", which is quite different.

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