Math Practice 101
Homework Explained - Math Practice 101

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Grade 7 McGraw Hill Glencoe - Answer Keys
Chapter 5: Expressions; Lesson 6: Add Linear Expressions


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Independent Practice

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  • Question 7 (request help)

    Write a linear expression in simplest form to represent the perimeter of the triangle at the right. Then find the perimeter if the value of x is 10 millimeters.
  •    \(\text{mm}\)
  • Question 8 (request help)

    A rectangle has side lengths (2x - 5) meters and (2x + 6) meters. Write a linear expression in simplest form to represent the perimeter. Find the perimeter if the value of x is 12 meters.
  •    \(\text{m}\)
  • Question 9 (request help)

    Find the sum of (x + 5), (-4x - 2), and (2x - 1).
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  • Question 10 (request help)

    \((-3.5x + 1.7) + (9.1x - 0.3) =\)
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