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Model and solve one-step linear equations ax =b , x/a = b

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Intros
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Lessons
  1. What is Reflexive property of equality?
  2. What is Transitive property of equality?
  3. What is Substitution property of equality?
  4. What is Symmetric property of equality?
  5. How to solve one-step equations?
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Examples
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Lessons
  1. What is the equation represented by each diagram?

    1. one-step linear equations represented as a diagram

    2. Model and solve one-step linear equations

    3. solve one-step linear equations using models

    4. solving one-step linear equations expressed as a model
  2. Solve.
    1. −4x=56 - 4x = 56
    2. 3x=−243x = - 24
    3. x5=−75\frac{x}{5} = - 75
    4. −2=x−10 - 2 = \frac{x}{{ - 10}}
  3. Bill is able to type 35 words every minute. If he has typed 385 words so far, how many minutes has he been typing for?
  4. Suzy and 2 friends split their restaurant bill evenly. Each person paid $16. How much did the bill cost?