The problem asks to solve the fractional equation $\frac{2x}{2x+5} = \frac{3}{4} - \frac{7}{4x+10}$.

AlgebraFractional EquationsSolving EquationsAlgebraic Manipulation
2025/5/18

1. Problem Description

The problem asks to solve the fractional equation 2x2x+5=3474x+10\frac{2x}{2x+5} = \frac{3}{4} - \frac{7}{4x+10}.

2. Solution Steps

First, note that 4x+10=2(2x+5)4x + 10 = 2(2x+5). Thus, the common denominator will be 4(2x+5)4(2x+5). We must also note that x52x \neq -\frac{5}{2}, since this value would make the denominator zero.
Multiplying both sides of the equation by 4(2x+5)4(2x+5), we have
4(2x)=3(2x+5)2(7)4(2x) = 3(2x+5) - 2(7)
8x=6x+15148x = 6x + 15 - 14
8x=6x+18x = 6x + 1
8x6x=18x - 6x = 1
2x=12x = 1
x=12x = \frac{1}{2}
Now we check our answer:
2(12)2(12)+5=11+5=16\frac{2(\frac{1}{2})}{2(\frac{1}{2})+5} = \frac{1}{1+5} = \frac{1}{6}
3474(12)+10=3472+10=34712=912712=212=16\frac{3}{4} - \frac{7}{4(\frac{1}{2})+10} = \frac{3}{4} - \frac{7}{2+10} = \frac{3}{4} - \frac{7}{12} = \frac{9}{12} - \frac{7}{12} = \frac{2}{12} = \frac{1}{6}
Since 16=16\frac{1}{6} = \frac{1}{6}, our solution is correct.

3. Final Answer

x = 1/2

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