SOLUTION: log base 10(x+4)=2+log base 10 x-log base 10 20

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Question 1126425: log base 10(x+4)=2+log base 10 x-log base 10 20
Found 2 solutions by josgarithmetic, greenestamps:
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!





Base given was 10.
Put into exponential form,




Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!


Change the "2" to "log base 10 of some number": 2 = log base 10 of 100.

Since the problem is in the standard base 10, we don't need to keep writing "base 10". Then



Then, since log(A)=log(B) means A=B,






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