Algebra- Writing mathematical phrases using letters to represent numbers

variable- a letter that represents a number in an equation or expression

constant- the constant is the integer in algebra

expression- a pattern. many possible answers. eg. 2x

equation- only one possible answer. eg. 2x=6

Steps:

1. Isolate the variable

2. Cancel the constant using zero pairs

3. Balance (what you do to one side you do to the other)

4. Verify

One Step:

Two Step

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