To solve this equation, we can use cross multiplication. When we cross multiply, we multiply the numerator of one side with the denominator of the other side and vice versa.
For the given equation, we have:
(1)(4) = (2)(?)
Therefore, 4 = 2(?)
To solve for ?, we divide both sides of the equation by 2:
4/2 = 2(?)/2
2 = ?
Therefore, ? is equal to 2.
1/2 = ?/4 ; ? =
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