Linear Equations. Lesson 2.3. Equations. Definition: A statement that two mathematical expressions are equal An equation always contains an equals sign = Examples. The statement may be true or false. Called a contradiction. This one is referred to as an identity. Solving Equations.
The statement may be true or false.
Called a contradiction
This one is referred to as an identity
x + 1 = x
Remember that Dist = Rate * Time
Hint: What two things are equal so we can write an equation?