Math Practice 101
Homework Explained - Math Practice 101

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Grade 8 McGraw Hill Glencoe - Answer Keys


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  Key Concept Check  

Use Your Foldables

Use your Foldable to help review the chapter.

  • Question 1 (request help)

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    Number the steps in the order needed to solve the equation. Then solve the equation.

    1. \(5(\text{x} + 3) = 170\)
  •    Subtract 15 from each side.
       Multiply x and 3 by 5.
       Divide each side by 5.
  • Question 2 (request help)

    2. \(2\text{p} - 9 = 6\text{p} + 7\)
  •    Divide each side by 4.
       Subtract 7 from each side.
       Subtract 2p from each side.
  • Question 3 (request help)

    3. \(-\cfrac{2}{3}(\text{a} + 3) = \cfrac{5}{3}\text{a} - 19\)
  •    Add \(\cfrac{2}{3}\text{a}\) to each side.
       Add 19 to each side.
       Multiply a and 3 by \(-\cfrac{2}{3}\).
       Multiply each side by \(\cfrac{3}{7}\).

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