Lesson 2-9 "Inequalities by Add or Sub."
Part 1 "Using Subtraction on Inequalities"
1. Read the part in the book !
2. Use Inverse Operations to Isolate Variable
3. If A (<, >, ≤, ≥,
or ≠) B,
then A - C (<, >, ≤, ≥, ≠) B - C, EX:
Part 2 "Using Addition to Solve Equations"
4. Read the part in the book !
5. Use Inverse Operations to Isolate Variable
6. If A (<, >, ≤, ≥,
or ≠) B,
then A + C (<, >, ≤, ≥, ≠) B
+ C, EX:
This page was last modified
09/14/07