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uranmaximum [27]
1 year ago
13

In the diagram ABC is equal to DEC what is the value of x?

Mathematics
1 answer:
Hatshy [7]1 year ago
4 0
\begin{gathered} \frac{25}{5}=\frac{18-x}{x} \\ 25x=(18-x)\times5 \\ 25x=90-5x \\ 25x+5x=90-5x+5x \\ 30x=90 \\ \frac{30x}{30}=\frac{90}{30} \\ x=3 \end{gathered}

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