The result after adding a set of numbers or algebraic expressions is called a

sum

Step-by-step explanation:

An algebraic expression is basically a combination of variables, constants and arithmetic operations :

Constant is a quantity whose value remains fixed and whose value does not change . Constants are denoted by letters a , b , c ...

Variable is a quantity whose value may vary and does not remains constant.Variables are denoted by letters x , y, z, u ,v ...

Arithmetic operations are used to combine variables and constants .

For example :

Here, the result we obtained i.e 7x+y+z is called a sum .

The result after adding a set of numbers or algebraic expressions is called a sum

step-by-step explanation:

mean or average is 40.6