Answer:
The value of the equation
.
Step-by-step explanation:
Consider the provided equation.

We need to solve the provided equation for y.
Subtract 3x from both side.


Divide both sides by 7.


Hence, the value of the equation is
.
C is the answer because a number of children are unknown.
Answer:
Provided in the picture below.
Step-by-step explanation:
Provided in the picture below.