I really don’t understand this question. can you explain this in the comment so i can answer your
Answer:
4
Step-by-step explanation:
Given that 


Now,


This can be written as
[as
]

[ by using equation (i)]
=4
Hence, 
Answer: Second equation should be x/10 = 12/16
Step-by-step explanation:
Everything is right except that x=12 and 10=16
Answer:
its always wrong
Step-by-step explanation:
any variable always has a holder of 1
so 01b doesnt equal 4