By what number should `(1/2)^(-1)`be multiplied so that the product may be equal to `(-4/7)^(-1)?\ `

Explanation

To solve the problem, we need to find the number \( x \) such that:

\[ (1/2)^{-1} \times x = (-4/7)^{-1} \]

### Step 1: Calculate \( (1/2)^{-1} \)

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