Question

How to Solve It ? plz help

Answer 1

we have to follow BODMAS rule in solving this question. here BODMAS means bracket open then divide ,multiply ,add ,and at last subtract.
so. ok

Answer 2

$8 + \frac{7}{2} - 9 \\ = \frac{7}{2} - 9 + 8 \\ = \frac{7}{2} - 1 \\ = \frac{7 - 2}{2} \\ = \frac{5}{2}$

Hope it'll help.....