
Ontario Curriculum Expectation:
6.C2.1 add monomials with a degree of 1 that involve whole numbers, using tools.
Terms with the same variable are like terms.
6x and 4x are like terms. Both have x in the term.
9a and 9p are not like terms.
Combining Like Terms
Simplify an algebraic expression by combining like terms.
To combine like terms, add or subtract the numbers of the like terms. The variables stay the same.