3 ^ (1 - 2x) = 243
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![3 1 2x 243 class=](https://us-static.z-dn.net/files/da0/8cfae3be384810a573d7578e5de09a4a.png)
Answer: x = -2
Step-by-step explanation: If the two numbers have the same base, you can cancel the base and make the exponents equal to each other.