Rules – Addition of Integers There are two conditions when adding integers.  Rule 1: When integers have same sign. Rule 2: When integers have opposite sign. (a) When integers have same sign. (b) When integers have opposite sign. a. Integers having (same)positive sign. When we add two positive integers means both […]

Read More →

     Rules of Addition of like Terms  In this lesson we will learn, how to add like terms. Rule 1: In an expression, when all terms are positive, add their coefficients and variables and power of like terms remains the same. Add like terms examples in expressions: Example 1: Add like terms 2pq, 5pq, and […]

Read More →