Louis' Algebra Post

One step Algebra Equations

Algebra - Writing mathematical phrases using letters to represent a number

eg. 2 + x = 3, 2 - x = 1

Variable - A letter that represents a number algebraic equation and expression

eg. x + 1 = 3

Constant - The integers in an equation and expression

eg. 18 + x = 8

Expression - pattern (many answers)

eg. 8x

Equation - Has only one answer. Also has a equals sign : =

eg. 8x = 16

To solve one steps you need to

1. first you need Isolate the variable
2. make a zero pair with the constant
3. Balance the equation
4. Verify

One-Step Equations :

To solve two steps you need to

1. Isolate the variable
2. Cancel the constant
3. Balance
4. Simplify the variable
5. Balance
6. Verify

Two Step Equations :

One-Step Equations

Two-Step Equations