Adding/Subtracting Algebraic Expressions (Junior Cert Mathematics): Flashcards

Symbols (usually letters) representing numbers

Mathematical phrase with numbers, variables, and operation signs

Terms with same variable raised to same power

Combine like terms

Identify like terms (same variable, same exponent)

Combine the coefficients

Numbers in front of variables

Same as adding

Numbers with no variable; like terms with each other

Yes, both contain variable $x$

Write resulting expression with new coefficients

Align like terms vertically