Answer:
15.60 times 100 divided by 390=4%
Step-by-step explanation:
Answer:
x = 10
Step-by-step explanation:
First, distribute:
Next, subtract 
from both sides:
(multiply by 2 to get common denominator, 
)
Next, subtract 
from both sides:
(multiply 
by 2 to get common denominator, 
)
⇒ 
Next, multiply both sides by 10:
FInally, divide both sides by -1:
x = 10
Answer:
The letter "x" is often used in algebra to mean a value that is not yet known.
It is called a "variable" or sometimes an "unknown".
But in some cases, x can be equal to 1 like example when working with exponents.
Step-by-step explanation:
