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24 October, 03:20

Solve: - 15b + 21 + 5b = -19

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  1. 24 October, 03:27
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    b = 4

    Step-by-step explanation:

    -15b + 21 + 5b = -19

    Combine like terms

    -15b + 5b + 21 = - 19

    -10b + 21 = - 19

    Subtract 21 from each side

    -10b + 21 - 21 = - 19-21

    -10b = - 40

    Divide each side by - 10

    -10b/-10 = - 40/-10

    b = 4
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