Algebra: Chapter 2, Lesson 9, page 98.
Writing Equations
Plan to write and solve an equation by:
- Can I use a variable to represent an unknown number?
- Can I represent other conditions in terms of the variable?
- Can I find equivalent expressions?
- Can I write and solve an equation?
Remember too:
- UNDERSTAND the problem
- Develop and carry out a PLAN
- Find the ANSWER and CHECK