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15 July, 10:47

10 (1+3b) + 15b = - 20

Distributive property

Solve for X

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Answers (1)
  1. 15 July, 14:02
    0
    b = - 2/3

    Step-by-step explanation:

    Assuming we are solving for b

    10 (1+3b) + 15b = - 20

    Distribute

    10+30b + 15b = - 20

    Combine like terms

    10 + 45b = - 20

    Subtract 10 from each side

    10-10 + 45b = - 20-10

    45b = - 30

    Divide by 45

    45b/45 = - 30/45

    b = - 2/3
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