Question

65+7•{3+5/[96/6-(45/x+3•2)]+1}=100

Answer 1

65+7*{3+5/[16-(45/X+6)]+1}=100
3+5/[16-(45/X+6)]+1}=(100-65)/7
5/[16-(45/X+6)] + 1=2
5/[16-(45/X+6] =1
16-(45/X+6)=5
16-6-5=45/X
5=45/X
5X=45
X=9