Introduction
Today we will be learning about Solving Linear Equations that have the same variable on both sides.
REVIEW of CONCEPTS
Remember, Linear Equations have different parts: (Click on videos for a review on concepts)
- variables
- constants
A variable is a letter that is used in place of number that we do not know
- like x, y, A, b, N....
A constant is a number that we do know
- 1, 2, 3/4, ...
Remember Linear Equations are like a balance scale.
Addition and Subtraction:
Multiplication and Division:
Order of Operations and 2 step problems
Task
Using previously learned concepts of :
- order of operations
- solving for a variable
You will be learning how to :
-
combine like terms
-
solve linear equations with a variable located on both sides of the equation
By:
- teacher guided instruction
- videos
- practice
Process
What are LIKE TERMS?
Which of the following is a like term for the 2x?
Which of the following is a like terms for the 6?
COMBINING LIKE TERMS:
Practice (Click on word "practice" for link to Khan Academy)
Teacher Example: These examples were solved in class along with students
5x + 11 = 2x + 20
2x + 6 = 4x - 2
4x - 6 = 22 - 3x
Still Need Help?:
Videos:
Practice: (Click on word "Practice" for link to Khan Academy)
Evaluation
Please complete these 6 examples on a separate sheet of paper showing all your work for each problem
(Students can submit work electronically through iPad app for evaluation)
1) 14 + 3n = 5n + 10
2) 7x - 3 = 5x + 5
3) 30 - 6x = 21 - 3x
4) 80 + 2n = 12n -20
5) 4a + 6 = 8a - 22
6) 3 + 4m = 15- 2m