Solve for X: Finding the Value in x/4 = 3

Solve for X:

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

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Step-by-step video solution

Watch the teacher solve the problem with clear explanations
00:00 Solve
00:03 We want to isolate the unknown X
00:07 Let's arrange the equation so that one side has only the unknown X
00:11 Multiply by the denominator to eliminate the fraction
00:16 Simplify what we can
00:21 And this is the solution to the question

Step-by-step written solution

Follow each step carefully to understand the complete solution
1

Understand the problem

Solve for X:

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

2

Step-by-step solution

We use the formula:

a⋅x=b a\cdot x=b

x=ba x=\frac{b}{a}

We multiply the numerator by X and write the exercise as follows:

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

We multiply by 4 to get rid of the fraction's denominator:

4×x4=3×4 4\times\frac{x}{4}=3\times4

Then, we remove the common factor from the left side and perform the multiplication on right side to obtain:

x=12 x=12

3

Final Answer

12 12

Practice Quiz

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Solve for X:

\( 5x=25 \)

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