The solution to the exponential equation 7^(3 – 2x) = 7^(-x) is 3
How to solve exponential equation?
7^(3 – 2x) = 7^(-x)
- Both equation has the same base
- Eliminate the base to remain the powers
3 - 2x = - x
collect like terms
3 = - x + 2x
3 = x
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