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The equation y = kx describes a direct variation, where y varies directly as x, k is the constant of variation, and k does not equal 0.

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MrRoyalidn

Based on the constant of variation or constant of proportionality, the value of x when y = 4 is 4/3

How to determine the value of y?

The equation is given as:

y = kx

From the question, we have:

If y = 6, when x = 2.

So, we have

6 = 2k

Divide both sides by 2

k = 3

Substitute k = 3 in y = kx

y = 3x

When y = 4, we have:

4 = 3x

Divide both sides by 3

x = 4/3

Hence, the value of x when y = 4 is 4/3

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Possible question

The equation y = kx describes a direct variation, where y varies directly as x, k is the constant of variation, and k does not equal 0.

If y = 6, when x = 2. Find x when y = 4

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