Solve the Fraction Equation: 1/4x - 3 = 5 + 3/4x

Solve for X:


14x3=5+34x \frac{1}{4}x-3=5+\frac{3}{4}x

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Find X
00:04 Arrange the equation so that one side has only the unknown X
00:26 Collect like terms
00:30 Isolate X by multiplying by the reciprocal
00:43 Multiply by the numerator
00:50 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

Solve for X:


14x3=5+34x \frac{1}{4}x-3=5+\frac{3}{4}x

2

Step-by-step solution

To solve the equation 14x3=5+34x\frac{1}{4}x - 3 = 5 + \frac{3}{4}x, follow these steps:

  • Step 1: Eliminate 34x\frac{3}{4}x from the right side by subtracting 34x\frac{3}{4}x from both sides.

This gives:

14x34x3=5\frac{1}{4}x - \frac{3}{4}x - 3 = 5

  • Step 2: Combine the like terms xx on the left side.

This simplifies to:

24x3=5-\frac{2}{4}x - 3 = 5

or more simply,

12x3=5-\frac{1}{2}x - 3 = 5

  • Step 3: Add 3 to both sides to move the constant term.

This results in:

12x=8-\frac{1}{2}x = 8

  • Step 4: Solve for xx by multiplying both sides by 2-2 (the reciprocal of 12-\frac{1}{2}).

This yields:

x=16x = -16

Therefore, the solution to the equation is x=16 x = -16 .

3

Final Answer

16 -16

Practice Quiz

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Solve for X:

\( x - 3 + 5 = 8 - 2 \)

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