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Solve the following equations 1. \( \frac{x}{2}-\frac{x}{3}=2 \) 2. \( \frac{x+2}{4}-\frac{x-6}{3}=\frac{1}{2} \)

Ask by Campbell Long. in South Africa
Mar 09,2025

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Tutor-Verified Answer

Answer

\( x = 12 \) and \( x = 24 \).

Solution

Solve the equation \( \frac{x}{2}-\frac{x}{3}=2 \). Solve the equation by following steps: - step0: Solve for \(x\): \(\frac{x}{2}-\frac{x}{3}=2\) - step1: Multiply both sides of the equation by LCD: \(\left(\frac{x}{2}-\frac{x}{3}\right)\times 6=2\times 6\) - step2: Simplify the equation: \(x=12\) Solve the equation \( \frac{x+2}{4}-\frac{x-6}{3}=\frac{1}{2} \). Solve the equation by following steps: - step0: Solve for \(x\): \(\frac{x+2}{4}-\frac{x-6}{3}=\frac{1}{2}\) - step1: Multiply both sides of the equation by LCD: \(\left(\frac{x+2}{4}-\frac{x-6}{3}\right)\times 12=\frac{1}{2}\times 12\) - step2: Simplify the equation: \(-x+30=6\) - step3: Move the constant to the right side: \(-x=6-30\) - step4: Subtract the numbers: \(-x=-24\) - step5: Change the signs: \(x=24\) The solutions to the given equations are: 1. \( x = 12 \) 2. \( x = 24 \)

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To solve the first equation \( \frac{x}{2} - \frac{x}{3} = 2 \), we first need a common denominator. The least common multiple of 2 and 3 is 6. We can rewrite the equation as: \[ \frac{3x}{6} - \frac{2x}{6} = 2 \] Combining the fractions gives: \[ \frac{3x - 2x}{6} = 2 \Rightarrow \frac{x}{6} = 2 \] Multiplying both sides by 6 yields: \[ x = 12 \] Now, for the second equation \( \frac{x+2}{4} - \frac{x-6}{3} = \frac{1}{2} \), we again find a common denominator, which is 12. Rewriting the equation gives us: \[ \frac{3(x+2)}{12} - \frac{4(x-6)}{12} = \frac{6}{12} \] This simplifies to: \[ \frac{3(x+2) - 4(x-6)}{12} = \frac{6}{12} \] Multiplying through by 12 leads to: \[ 3(x+2) - 4(x-6) = 6 \] Expanding the left side results in: \[ 3x + 6 - 4x + 24 = 6 \] Combining like terms: \[ -x + 30 = 6 \] Subtracting 30 from both sides gives: \[ -x = -24 \Rightarrow x = 24 \] Thus, the solutions are \( x = 12 \) for the first equation and \( x = 24 \) for the second equation.

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