Question

$96 \div 4 - 7 + 6 \times 4 \times - 7( \div )y. = 9$

Answer 1

96 : 4 - 7 + 6 . 4 . (-7): y = 9
24 - 7 + 24.(-7)/y = 9
17 - 168/y = 9
- 168/y = 9 - 17
- 168/y = - 8 (-1)
168 = 8y

8y = 168
y = 168/8
y = 21