Answer:
14
Step-by-step explanation:
2x + 30 = -20x + 8
2x + 20x = 8 - 30
22x = -22
x = 1
Answer:
There are 8 males in the class and 42 females.
Step-by-step explanation:
This question can be solved using a system of equations.
I am going to say that:
x is the number of females.
y is the number of males.
Class of 50 students
This means that 
The number of females is 2 more than 5 times the number of males.
This means that 
So, finding y, the number of males:





Females:

There are 8 males in the class and 42 females.
I believe the answer you want is 7991 decaliters