12 + 3x = 30 // what is x?
3x = 18
x = 6
0.0012019231 but if you want to round then its just 0.0012
Answer:
the third one
Step-by-step explanation:
its easy
For this case we have the following equation:
30x = 48 + 22x
An example of real life is:
"Laura earns $ 30 per hour at her job, Maria earns 22 dollars per hour at her job plus 48 $ of fixed salary, find the number of hours for which both get the same profit"
In the given equation,
x: represents the time in hours.