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14 April, 10:28

Heidi solved the equation 3 (x + 4) + 2 = 2 + 5 (x - 4). Her steps are below: 3x + 12 + 2 = 2 + 5x - 20 3x + 14 = 5x - 18 14 = 2x - 18 32 = 2x 16 = x Use the drops-downs to justify how Heidi arrived at each step. Step 1: Step 2: Step 3: Step 4: Step 5:

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  1. 14 April, 10:41
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    3 (x + 4) + 2 = 2 + 5 (x - 4)

    First step: Apply the distributive property of multiplication:

    3 (x + 4) + 2 = 2 + 5 (x - 4) = > 3x + 12 + 2 = 2 + 5x - 20

    What should Heidi do next? Try doing it yourself and then naming it.
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