The anwser is 5.05 cm hahahahahahahahahahahahah
Answer: 
Step-by-step explanation:
You have the equation
.
Then, to solve for the variable
from the equation you need:
Make the subtraction of the right side of the equation:
(As the denominators are 1 and
, the least common denominator is
)

Multiply
to both sides:

Add
to both sides:

And finally divide both sides by
:

It is best to use mental math with some equations (5x5 or something that is easy enough that work does not have to be shown 10 dived by 5
answer= d Step-by-step explanation: