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13+4x=1-x
4x=-12-x (minus 13 from each side)
5x=-12 (add x to each side)
You divide -12 by 5x
-12÷5x=2

⇒2.4
x=2.4
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Answer:
The simplified expression is:

Step-by-step explanation:
We have those following logarithmic properties:



In this problem, we have that:

Applying these properties

