Solve the Fraction Equation: 9/(x+5) = 11/(2-x)

Question

Solve for X:

9x+5=112x \frac{9}{x+5}=\frac{11}{2-x}

Video Solution

Solution Steps

00:00 Find X
00:04 Multiply by the common denominator to eliminate fractions
00:18 Make sure to open parentheses properly, multiply by each factor
00:34 Arrange the equation so that one side has only the unknown X
00:55 Collect like terms
01:09 Isolate X
01:19 Simplify as much as possible
01:24 And this is the solution to the question

Step-by-Step Solution

To solve this problem, follow these steps:

  • Step 1: Cross-multiply to eliminate the fractions.
  • Step 2: Solve the resulting linear equation.

Let's proceed step-by-step:

Step 1: Given the equation 9x+5=112x \frac{9}{x+5} = \frac{11}{2-x} , we will cross-multiply:

9×(2x)=11×(x+5) 9 \times (2 - x) = 11 \times (x + 5)

Simplify both sides:

189x=11x+55 18 - 9x = 11x + 55

Step 2: Solve for x x .

First, rearrange the terms to get all terms involving x x on one side:

1855=11x+9x 18 - 55 = 11x + 9x

37=20x -37 = 20x

Divide both sides by 20 to solve for x x :

x=3720 x = -\frac{37}{20}

Thus, the solution to the problem is x=3720 x = -\frac{37}{20} .

Answer

3720 -\frac{37}{20}