Question 2

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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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