Algebra - Writing mathematical phrases using letters to represent numbers.
eg. x+8=14, n-9=9
Variable - A letter that represents a number in an algebraic equation or expression.
Constant - The integer in an algebraic equation or expression.
Expression - Pattern - many answers.
Equation - Only has one answer and has an equal sign: =.
Solving an Algebraic Equation:
- Isolate the variable
- Cancel the constant using zero pair
- Balance- doing it to both sides
- Verify to check