Question

Verify – (– x) = x for x = -7/9

Answer 1

Answer:

-7/9

Step-by-step explanation:

Answer 2

Question :

$\rm Verify –\ (– x) = x\ for\ x = \dfrac{-7}{9}$

Answer :

$\rm \purple{: \implies }x=\dfrac{-7}{9}$

$\rm \purple{: \implies} −x=\dfrac{7}{9}$

$\rm \purplr{:\implies} -(-x) = \dfrac{-7}{9}$

$\rm\purple{:\implies}\dfrac{-7}{9}$

$\rm\underline{ Hence, −(−x)=x}$