X-3 what does x equal? the middle line is division =0 4

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x = 3

Why?

So, we have x - 3 / 4 = 0. Which means you subtract x, divide by 4, then get zero. 3 - 3 = 0, 0 / 4 = 0.

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the direct variation says that:

then the equation is of the form is given by:

            where k is the constant variation.

from the given table:

consider any value of x and m(x)=y

x = 2 and m(x)=y = 3

substitute these value in [1]; we have;

divide both sides by 2 we get;

⇒

check:

put x = -1 and m(x) = -1.5

substitute in the equation:

-1.5 = -1.5                   true

therefore, the function m(x) represents a direct variation

graph of this function as shown below:

ratio is 2 : 9

the answer is three

13.5 : 3