Math

Question Find the value of xx that makes the statement x42x=13\frac{x-4}{2x} = \frac{1}{3} true.

Studdy Solution

STEP 1

Assumptions
1. The problem is asking to find the value of xx that makes the ratio x4:2xx-4: 2x equivalent to 1:31:3.

STEP 2

A ratio is equivalent to a fraction. We can set up the equation as follows:
x42x=13\frac{x-4}{2x} = \frac{1}{3}

STEP 3

To solve for xx, we can cross-multiply. This means multiplying the numerator of the first fraction by the denominator of the second fraction, and setting it equal to the product of the denominator of the first fraction and the numerator of the second fraction.
(x4)3=12x(x-4) \cdot 3 = 1 \cdot 2x

STEP 4

Simplify both sides of the equation.
3x12=2x3x - 12 = 2x

STEP 5

Subtract 2x2x from both sides of the equation to isolate xx on one side.
3x2x=123x - 2x = 12

STEP 6

Simplify to find the value of xx.
x=12x = 12
So, the value of xx that makes the statement x4:2xx-4: 2x equivalent to 1:31: 3 is x=12x = 12.

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