Equations with Grouping
Symbols
Pre-Algebra Section 7-2
Word Problems Practice
Equations with Grouping Symbols

Use the Distributive Property to clear the parentheses.
OR

Divide away the multiplier.
(Choose whichever looks easier)
Practice: Equations with Grouping Symbols
Conditional Equations, Equations with
No Solution, and Identities

Most equations you will be asked to solve are Conditional Equations:
Equations which are true only for certain values of the variables.

It is possible to find the unique solutions to Conditional Equations.

But not all equations are so well-behaved. . .
Equations with “No Solution”
“Identities”