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Rational Numbers — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSRational Numbers1 Mark
Question
Verify -(-x) = x for: $\text{x}=\frac{-7}{9}$
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Answer

Given, $\text{x}=\frac{-7}{9}$ $\Rightarrow-\text{x}=-\Big(\frac{-7}{9}\Big)$ $\Rightarrow-\text{x}=\frac{7}{9}$ $\Rightarrow-(-\text{x})=\frac{-7}{9}$ $=\text{x}$

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