Question

find the value of x
${3}^{x} + {3}^{x } + {3}^{x} = 162$
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Answer 1

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$3^{x}+ 3^{x} + 3^{x}=162</p><p></p><p>3x3^{x}=162</p><p></p><p>3^{x}=162/3</p><p></p><p>3^{x}=54</p><p></p><p>3^{x}=3x3x2x3=3³</p><p></p><p>so, x=3</p><p></p><p>$

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