Solving for exponents

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  1. What are exponent rules?
  1. Find the number x
    1. (12)x=8 ( \frac{1}{2}{)^x} = 8
    2. 4x3=112 \frac{4^x}{3} = \frac{1}{12}
    3. 5x+4=125 {5^{x+4}} = \frac{1}{25}
Topic Notes
By now, you should be very familiar with all the exponent rules. Not sure? Test yourself and try out the questions in this lesson. In this session, we will learn how to solving questions which have exponents as the unknowns.