We are given the equation $\frac{3x+1}{x+2} = 1 + \frac{x+1}{x-2}$ and we want to solve for $x$.

AlgebraAlgebraic EquationsSolving EquationsRational Equations
2025/5/20

1. Problem Description

We are given the equation 3x+1x+2=1+x+1x2\frac{3x+1}{x+2} = 1 + \frac{x+1}{x-2} and we want to solve for xx.

2. Solution Steps

First, we want to isolate xx by performing algebraic manipulations to the equation.
3x+1x+2=1+x+1x2\frac{3x+1}{x+2} = 1 + \frac{x+1}{x-2}
3x+1x+2=x2x2+x+1x2\frac{3x+1}{x+2} = \frac{x-2}{x-2} + \frac{x+1}{x-2}
3x+1x+2=x2+x+1x2\frac{3x+1}{x+2} = \frac{x-2+x+1}{x-2}
3x+1x+2=2x1x2\frac{3x+1}{x+2} = \frac{2x-1}{x-2}
Now, we multiply both sides by (x+2)(x2)(x+2)(x-2):
(3x+1)(x2)=(2x1)(x+2)(3x+1)(x-2) = (2x-1)(x+2)
Expanding both sides, we get:
3x26x+x2=2x2+4xx23x^2 - 6x + x - 2 = 2x^2 + 4x - x - 2
3x25x2=2x2+3x23x^2 - 5x - 2 = 2x^2 + 3x - 2
Subtract 2x2+3x22x^2 + 3x - 2 from both sides:
3x25x2(2x2+3x2)=03x^2 - 5x - 2 - (2x^2 + 3x - 2) = 0
3x25x22x23x+2=03x^2 - 5x - 2 - 2x^2 - 3x + 2 = 0
x28x=0x^2 - 8x = 0
x(x8)=0x(x-8) = 0
This implies that x=0x=0 or x8=0x-8=0, which means x=8x=8.
Now, we check the solutions to make sure that the denominators are not zero.
If x=0x=0, then the denominators are x+2=0+2=2x+2 = 0+2 = 2 and x2=02=2x-2 = 0-2 = -2, which are both non-zero. So x=0x=0 is a valid solution.
If x=8x=8, then the denominators are x+2=8+2=10x+2 = 8+2 = 10 and x2=82=6x-2 = 8-2 = 6, which are both non-zero. So x=8x=8 is a valid solution.

3. Final Answer

The solutions are x=0x=0 and x=8x=8.
Final Answer: The final answer is 0,8\boxed{0, 8}

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