Solve for X in the Fraction Equation: 3x/4 = 16

3x4=16 \frac{3x}{4}=16

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Step-by-step video solution

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00:00 Solve
00:03 We want to isolate the unknown X
00:07 Let's isolate the unknown X
00:09 Instead of division, we'll write multiplication by the reciprocal
00:17 We'll use long multiplication for calculation
00:32 We'll break down one fraction into a whole number and remainder
00:36 And this is the solution to the question

Step-by-step written solution

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1

Understand the problem

3x4=16 \frac{3x}{4}=16

2

Step-by-step solution

To solve the equation 3x4=16\frac{3x}{4} = 16, we will eliminate the fraction by multiplying both sides by 4.

  • Step 1: Multiply both sides by 4:
    (3x4)×4=16×4\left(\frac{3x}{4}\right) \times 4 = 16 \times 4
  • Step 2: Simplify:
    3x=643x = 64
  • Step 3: Solve for xx by dividing both sides by 3:
    x=643x = \frac{64}{3}
  • Step 4: Simplify the fraction to a mixed number:
    x=2113x = 21\frac{1}{3}

Therefore, the solution to the equation 3x4=16\frac{3x}{4} = 16 is x=2113 x = 21\frac{1}{3} .

3

Final Answer

x=2113 x=21\frac{1}{3}

Practice Quiz

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Solve for X:

\( 5x=25 \)

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