Question

m-m-1=1-m-2
2 3. please solve my question​

Answer 1

Step-by-step explanation:

$m - m - 1 = 1 - m - 2 \\ = - 1 = 1 - 2 - m \\ = - 1 = - 1 - m \\ = - 1 + 1 = - m \\ = 0 = - m$

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