Answer:
An unknown variable by reversing the process used to form the original equation.
Step-by-step explanation:
The opposite process rule says to solve for - an unknown variable by reversing the process used to form the original equation.
If an equation indicates an operation such as addition, subtraction, multiplication, or division, solve for the unknown variable by using the opposite process.
For example:
Lets say we have to find 
Here 25 is subtracted from both sides of the equation to isolate x.

we get x = 10
Check this : 
45 times the numerator plus the denominator is most likely going to equal the same amount as if it were doubled.
Answer: The answer is 384 if your question is 12x1/2x64
Answer:
Step-by-step explanation:
From the standard normal distribution tables it is -0.524.