1.

Write the integer which is 2 less than its additive inverse.

Answer»

Let the required integer be x.

According to question,

x = (-x) – 2, where -x is the additive inverse of x.

⇒ x = -x – 2 

⇒ x + x = -2

⇒ 2x = -2 

⇒ x = -1



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