Question

Only qno. 8 i will mark brabliest

Answer 1

Answer:

$= ( (\frac{ - 1}{2} ) + \frac{7}{38} ) + \frac{9}{19} = \\ = ( \frac{ (- 1 \times 38) + (7 \times 2)}{2 \times 38} ) + \frac{9}{19} = \\ = \frac{ - 38 + 14}{76} + \frac{9}{19} \\ = \frac{ - 24}{76} + \frac{9}{19} \\ = \frac{ - 6}{19} + \frac{9}{19} \\ = \frac{9 - 6}{19} \\ = \frac{3}{19}$

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