verify -(-x) = x if x = -21/29
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x = -21/29
-x = -(-21/29) = 21/29
-(-x) = -(21/29) = -21/29 = x
-x = -(-21/29) = 21/29
-(-x) = -(21/29) = -21/29 = x
Answered by
1
-[-(-21/29)] = -21/29
-(21/29) = -21/29
-21/29 = -21/29
Hence verified
-(21/29) = -21/29
-21/29 = -21/29
Hence verified
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