The answer to the question provided is 10.
Step-by-step explanation:
☆Cross multiply.
[tex] \frac{2x + 5}{20} = \frac{x + 5}{12} \\ \\ 20(x + 5) = 12(2x + 5) \\ \: \: \: \: \: \: \: \: \: \: 20x + 100 = 24x + 60 \\ \frac{ - 24x \: \: \: \: \: \: \: \: \: \: = - 24x}{ - 4x + 100 = 60} \\ \frac{ \: \: \: \: \: \: \: \: \: \: \: \: \: - 100 = - 100}{ \frac{ - 4x}{ - 4} = \frac{ - 40}{ - 4} } \\ x = 10[/tex]
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