Answer:
If we call our unknown value x, then we can say that
The "product of 4 and a number" is 4x
The "difference between" 4x and 6 is 4x - 6
Step-by-step explanation:
Answer: Isolate the variable by dividing each side by factors that don't contain the variable.
x= -7, -9
Each person would get
pizza.
Solution:
Total quantity of pizza = 
Number of persons shared = 3
To find how much pizza would each person get:
Let us first convert improper fraction into mixed fraction.

Now divide the total quantity of pizza by the number persons shared.



Divide both numerator and denominator by 3.


Quantity of pizza each person get = 
Hence each person would get
pizza.
Multiply 2.90 by 6 and multiply 2.90 by 4 then add them and you get your answer