Question

verify that -(-x)=x for x=2.2​

Answer 1

Step-by-step explanation:

-(-x)=X

-(-2.2)=2.2

+(2.2)=2

proved.

Answer 2

$- ( - x) = x \\ x = 2.2..... \\ - ( - 2.2) = 2.2 \\ minus \: minus = plus \\ 2.2 = 2.2$

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