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12 September, 17:42

Add the two expressions. 3.8b - 7 and - 2.9b + 9

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  1. 12 September, 17:49
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    3.8b-0.9

    Step-by-step explanation:

    calculate the sum of (-2.9+9)

    =3.8b-7+6.1

    Calculate the sum of (-7+6.1)

    =3.8b-0.9
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