Question Solve: \( \frac{m}{m+9}=\frac{63}{22} \)
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To solve the equation \( \frac{m}{m+9}=\frac{63}{22} \), we can start by cross-multiplying to eliminate the fractions: \( 22m = 63(m + 9) \). Expanding the right side gives us: \( 22m = 63m + 567 \). Now, let's rearrange the equation: \( 22m - 63m = 567 \), which simplifies to: \( -41m = 567 \). Dividing both sides by -41 yields: \( m = -\frac{567}{41} \). To get the numerical value, calculate: \( m \approx -13.84 \). Therefore, the solution is: \( m \approx -13.84 \). ---- Here's a fun fact: The process of solving this type of equation is known as "cross-multiplication," and it's a powerful technique used in various fields, including engineering and physics! It simplifies complex fraction problems into linear equations. If you're keen to avoid common pitfalls while solving such equations, remember to keep an eye on signs—negative signs can easily lead you astray! Also, always double-check your arithmetic after expanding or rearranging terms for any sneaky mistakes. Happy solving!