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Home > AC > Chapter 7 > Lesson 7.1.3 > Problem 7-28

7-28.
  1. For each equation below, solve for x and check your answer. Homework Help ✎

    1. 10(2x − 1) = 100

    2. 1/3x − 6 = 8

    3. (x − 2)(x + 1) = x2 + 4x

    4. 9x − 21 + 9 = 2(5 − x)

For more help solving equations, see problem 6-107.

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