Download - Pre-Alg 5.5 Equations with Mixed Operations
Transcript
Pre-Algebra
Lesson 5.5
Equations with Mixed Operations
Go to this site: http://www.add2nb.com/
Equations with Mixed Operations
3x + 5 = 23Solve for x:
First step Second Step
To solve the equation above, what steps should be done?
P
E
MD
AS
SA
DM
E
P
EquationsExpressions
PEMDAS SADMEPvs.
Simplify Solve
(32 + 4) 3 - 5 = -6x3
Example: Example:
Solve = get it by itself
1. Combine like terms on each side of the equal sign.
2. Move terms to the correct side by using SADMEP
3. Simplify using Inverse Operations
Steps to solving equations:
Solve: - 10 = -2x3
1. combine
2. move
3. Simplify
Solve: 3n = 64 - 5n 1. combine
2. move
3. Simplify
Solve: 9 + 5x - 3x = 10 + 13 1. combine
2. move
3. Simplify