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# Find the value of x in this equation: $\dfrac{{392}}{x} = - 196$A.2B.4C.-2D.-4

Last updated date: 31st Mar 2023
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Hint: Use cross multiplication. It’s a problem solving method in which if we have $\dfrac{a}{b} = \dfrac{c}{d}$ , then it can also be written as $ad = bc$.
We have given the equation, $\dfrac{{392}}{x} = - 196$. Using cross multiplication method in the given equation, we get, $\dfrac{{392}}{x} = - 196 \Rightarrow \dfrac{{392}}{{ - 196}} = x \Rightarrow - 2 = x$. Hence the required value of x is -2.