Addition and Subtraction (Grade 12 NSC Matric Mathematics): Flashcards

Terms with exactly the same variable parts

Same variables raised to same powers

No, only like terms can be combined

Yes, both contain $x$ to the power of 1

No, different powers of $x$

Coefficients change; variable part stays same

$8x$

$7a$

Common denominator

Combining unlike terms incorrectly