Question

The sum of a certain number and 3.​

Answer 1

Answer:

the sum of a certain number and 3

Answer 2

The sum of a certain number (let a) and 3 will be (a+3).

Explanation:

Given- sum of a certain number and 3.

Let a certain number be 'a'.

Sum is the result or answer we get on adding two or more numbers.

Example: sum of 3 and 5 will be 3+5 = 8.

A certain number is a variable which will be an integer ( positive or negative integer). certain number can be change as per need. we can say that, let 'a' be the certain number, then 'a' is a variable and a ∈ Z .

When we add a cerain number 'a' and 3 we will get,

Sum = $(a+3)$