Question

i need the step-by-step solutions of this question​

Answer 1

Answer:

$\frac{ - 1}{2}$

Step-by-step explanation:

$\frac{ - 1}{2} + \frac{ - 1}{2} \\ \frac{ - 1}{2} - \frac{1}{2} \\ \frac{ - 2}{2} \\ = - 1$

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