waecmaths question:
If 23x =325. Find the value of x
Option A:
7
Option B:
6
Option C:
5
Option D:
4
waecmaths solution:
$\begin{align} & {{23}_{x}}={{32}_{5}} \\ & \text{Convert both sides to base ten system} \\ & 2\times {{x}^{1}}+3=3\times 5+2 \\ & 2x+3=15+2 \\ & 2x=14 \\ & x=7 \\\end{align}$
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