Find the value of the following :
$9 + (- 7) - (- 12)$

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Solution

Given That,
$9 + (- 7) - (- 12)$
$= 9 - 7 + 12 = 2 + 12 = 14$
Final Answer: 14

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Similar questions

Verify each of the following :

(i) $\frac{3}{7} \times \frac{- 5}{9} = \frac{- 5}{9} \times \frac{3}{7}$

(ii) $\frac{- 8}{7} \times \frac{13}{9} = \frac{13}{9} \times \frac{- 8}{7}$

(iii) $\frac{- 12}{5} \times \frac{7}{- 36} = \frac{7}{- 36} \times \frac{- 12}{5}$

(iv) $- 8 \times \frac{- 13}{12} = \frac{- 13}{12} \times (- 8)$

The mean of $7, 9, x + 3, 12, 2 x - 1,$ and $3$ is $9 .$ Find the value of $x .$

8, 7, 9, 10, 12, x

14

12

x

\frac{3^{12 + n} \times 9^{2 n - 7}}{3^{5 n}}

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