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2 January, 04:54

How to solve equation and justify for - 30=-6 (r+7)

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  1. 2 January, 07:25
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    Step 1: - 30=-6 (r+7)

    Step 2: - 30=-6r+42

    Step 3: 6r=42+30

    Step 4: 6r = 72

    Step 5: r=12
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