Question
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Simplifying each side of the equation results in \( x^{2}-3 x-4=x^{2}-5 x+6 \) Find the solution: \( \frac{x+2}{3 x}-\frac{1}{x-2}=\frac{x-3}{3 x} \)

Ask by Fowler Horton. in the United States
Mar 11,2025

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Tutor-Verified Answer

Answer

\( x=5 \)

Solution

Solve the equation \( \frac{x+2}{3x}-\frac{1}{x-2}=\frac{x-3}{3x} \). Solve the equation by following steps: - step0: Solve for \(x\): \(\frac{x+2}{3x}-\frac{1}{x-2}=\frac{x-3}{3x}\) - step1: Find the domain: \(\frac{x+2}{3x}-\frac{1}{x-2}=\frac{x-3}{3x},x \in \left(-\infty,0\right)\cup \left(0,2\right)\cup \left(2,+\infty\right)\) - step2: Multiply both sides of the equation by LCD: \(\left(\frac{x+2}{3x}-\frac{1}{x-2}\right)\times 3x\left(x-2\right)=\frac{x-3}{3x}\times 3x\left(x-2\right)\) - step3: Simplify the equation: \(x^{2}-3x-4=x\left(x-2\right)-3\left(x-2\right)\) - step4: Calculate: \(x^{2}-3x-4=x^{2}-2x-3x+6\) - step5: Simplify: \(x^{2}-3x-4=x^{2}-5x+6\) - step6: Cancel equal terms: \(-3x-4=-5x+6\) - step7: Move the expression to the left side: \(-3x-4-\left(-5x+6\right)=0\) - step8: Subtract the terms: \(2x-10=0\) - step9: Move the constant to the right side: \(2x=0+10\) - step10: Remove 0: \(2x=10\) - step11: Divide both sides: \(\frac{2x}{2}=\frac{10}{2}\) - step12: Divide the numbers: \(x=5\) - step13: Check if the solution is in the defined range: \(x=5,x \in \left(-\infty,0\right)\cup \left(0,2\right)\cup \left(2,+\infty\right)\) - step14: Find the intersection: \(x=5\) The solution to the equation \( \frac{x+2}{3x}-\frac{1}{x-2}=\frac{x-3}{3x} \) is \( x=5 \).

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The Deep Dive

First, let’s simplify the original equation: \( x^{2}-3x-4=x^{2}-5x+6 \). Subtract \( x^2 \) from both sides to get: \(-3x - 4 = -5x + 6\). Now, add \( 5x \) to both sides: \(-3x + 5x = 6 + 4\), which simplifies to: \(2x = 10\). Dividing both sides by 2 gives: \(x = 5\). Now let’s solve the equation: \( \frac{x+2}{3x}-\frac{1}{x-2}=\frac{x-3}{3x} \). First, get a common denominator, which is \(3x(x-2)\): \( \frac{(x+2)(x-2)}{3x(x-2)} - \frac{3x}{3x(x-2)} = \frac{(x-3)(x-2)}{3x(x-2)} \). Now multiplying both sides by \(3x(x-2)\) (assuming \(x \neq 0\) and \(x \neq 2\)): \((x+2)(x-2) - 3x = (x-3)(x-2)\). Expanding both sides: \(x^2 - 4 - 3x = x^2 - 5x + 6\). Then, we can simplify: \(-4 + 3x = -5x + 6\) which becomes: \(8x = 10\). Thus: \(x = \frac{10}{8} = \frac{5}{4}\). The solutions are \(x = 5\) and \(x = \frac{5}{4}\).

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