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Can someone solve this problem for me? Show me your steps to solve this problem as well.

Can someone solve this problem for me? Show me your steps to solve this problem as-example-1
User Mrghofrani
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\bf 3^x=81\qquad \begin{cases} 81=3\cdot 3\cdot 3\cdot 3\\ \qquad 3^4 \end{cases}\implies 3^x=3^4\implies x=4

if their base is the same, the exponents must also be the same for the equation to be true.
User Meixu Song
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