VIII. \( 9 x-5=50 \)
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To solve the equation \( 9x - 5 = 50 \), first, you’ll want to isolate the variable \( x \). Start by adding 5 to both sides, which gives you \( 9x = 55 \). Next, divide both sides by 9 to find \( x = \frac{55}{9} \) or approximately \( 6.11 \). Voila! You've solved for \( x \) like a math wizard. Many real-world applications require solving linear equations. For example, businesses often use these equations to determine break-even points, where revenues equal costs. Imagine pricing a new product—you’d use a linear equation to find out how many units you need to sell to cover your expenses and start making profit. It’s math in action, helping people make important financial and strategic decisions every day!