The problem asks us to solve the equation $\frac{5x}{2} - 7 = \frac{2x - 7}{6}$ for $x$.

AlgebraLinear EquationsEquation SolvingFractionsVariable Isolation
2025/3/17

1. Problem Description

The problem asks us to solve the equation 5x27=2x76\frac{5x}{2} - 7 = \frac{2x - 7}{6} for xx.

2. Solution Steps

First, we want to eliminate the fractions. Multiply both sides of the equation by 6:
6(5x27)=6(2x76)6 \left(\frac{5x}{2} - 7\right) = 6 \left(\frac{2x - 7}{6}\right)
65x267=2x76 \cdot \frac{5x}{2} - 6 \cdot 7 = 2x - 7
35x42=2x73 \cdot 5x - 42 = 2x - 7
15x42=2x715x - 42 = 2x - 7
Now, we want to isolate xx on one side of the equation. Subtract 2x2x from both sides:
15x2x42=2x2x715x - 2x - 42 = 2x - 2x - 7
13x42=713x - 42 = -7
Add 42 to both sides:
13x42+42=7+4213x - 42 + 42 = -7 + 42
13x=3513x = 35
Finally, divide both sides by 13:
13x13=3513\frac{13x}{13} = \frac{35}{13}
x=3513x = \frac{35}{13}

3. Final Answer

x=3513x = \frac{35}{13}

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