Question

Verify that -(-x) is the same as x for
x= -21/31

Answer 1

Step-by-step explanation:

x=-21/31

-(-x) =-(-21/31)

x=21/31

Hence verified

Hope it helps ✌✌

Answer 2

Given : $x = \frac{-21}{31}$

To find : -(-x)

Step-by-step explanation:

$x = \frac{-21}{31}\\\\-x = \frac{21}{31}\\\\then \\\\\text{mutiplying by -1 both sides we get } \\\\-(-x)= \frac{-21}{31}\\\\hence \\\\x = -(-x)= \frac{-21}{31}$

hence proved

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