check markLesson 2-3, Example 3 Check Understanding

Choose the correct solution for each equation.

  1. 3(k + 8) = 21
    1. 3
    2. 13
    3. –1
    4. 7
  2. 15 = –3(x – 1) + 9
    1. 1
    2. –1
    3. 3
    4. –3

Click the button to highlight the correct answers.

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