Windy's Algebra Post

Algebra - Writing mathematical phrases using letters to represent numbers:

eg. n+9=16

n=7

Variable - The unknown -use a letter to represent a number

eg. a+12=14

Constant - The integer in an algebraic expression or equation

Equation - 2x = 6

Expression - 2x -

Solving an Algebraic Equation:

1) Isolate the variable

2) Cancel the constant using zero pair

3) Balance, doing it to both sides

4) Verify your answer

Two-Step Equations

(Subtraction/Multiplication)

(Addition)

One-Step Equations

(Divide)