Solve the Fraction Equation: (x-5)/7 = 2/11

Solve for X:

x57=211 \frac{x-5}{7}=\frac{2}{11}

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Step-by-step video solution

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00:00 Solution
00:03 We want to isolate the unknown X
00:07 Multiply by both denominators to eliminate fractions
00:20 Open parentheses properly, multiply by each factor
00:35 Arrange the equation so that one side has only the unknown X
00:50 Isolate the unknown X
00:57 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Solve for X:

x57=211 \frac{x-5}{7}=\frac{2}{11}

2

Step-by-step solution

To solve x57=211 \frac{x-5}{7} = \frac{2}{11} , we will use cross-multiplication:

  • Step 1: Cross-multiply the equation: (x5)×11=7×2 (x-5) \times 11 = 7 \times 2 .
  • Step 2: Simplify both sides: 11(x5)=14 11(x - 5) = 14 .
  • Step 3: Distribute the 11 on the left side: 11x55=14 11x - 55 = 14 .
  • Step 4: Add 55 to both sides to isolate the 11x 11x term: 11x=14+55 11x = 14 + 55 .
  • Step 5: Calculate the right side: 11x=69 11x = 69 .
  • Step 6: Divide both sides by 11 to solve for x x : x=6911 x = \frac{69}{11} .

Therefore, the solution to the problem is x=6911 x = \frac{69}{11} , which matches the first answer choice provided.

3

Final Answer

6911 \frac{69}{11}

Practice Quiz

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Solve for X:

\( 5x=25 \)

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