Question

Verify [-(-x)]= x for the x=11/5

Answer 1

$If \: x = \frac{11}{5}$

$LHS = [-(-x)] \\= [ - \Big(- \frac{11}{5} \Big)]\\= \frac{11}{5} \\= x \\ = RHS$

Therefore ,

$\red { [-(-x)] }\green {= x }$

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