Linear Equations
Haese Mathematics 3 - Chapter 7C & 7E, page 143
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Algebra Beyond School:
Algebra Beyond School:
You will use these skills in computer programming, household budgeting, landscaping, accounting and finance
Success Criteria:
Success Criteria:
You will be able to:
Identify and simplify like terms
Transpose the equation to solve for the variable in 2 or more steps
Solve equations involving expanding brackets
Solve equations with variables on both sides
Key Vocabulary:
opposite operation, transposing, equation, like terms, reciprocal
Prior Knowledge:
Prior Knowledge:
Example 2 Example 3
2x = 5x + 3 2x - 3 = 4x + 2
0 = 5x -2x +3 move the 2x first -3 = 4x - 2x + 2
-3 = 3x then we move the 2 -3 -2 = 2x
-3/3 = x -5 = 2x
-1 = x (Ans) -5/2 = x
New Knowledge:
New Knowledge:
Q. Can you list some other operations along with their opposites?
Q. Can you list some other operations along with their opposites?
Quick recap on Substitution:
Quick recap on Substitution:
Full mathspace notes text MYP 2 2021 version - chapter 7:01 to 7:04
Let's go through some more.....
khan academy practice (variables on both sides questions)
Notes:
Combine like terms by looking at which variables or constants can be simplified
Make sure to do the same thing to both sides
Application Tasks:
Application Tasks:
Textbook Questions: Chapter 7C & 7E (every 2nd question)
khan academy practice above
Chapter 7A & 7B page 139 (Haese text)
2x + 3x = ?
5y - y = ?
3z(z + 1) = ?
Additional Resources
Additional Resources
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