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11 January, 12:41

Solve: 2.8 X + 12=-1.4 X - 9

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  1. 11 January, 12:45
    0
    X = - 5

    Step-by-step explanation:

    Expression: 2.8X+12=-1.4X-9

    Order it: 12+9=-1.4X-2.8X

    Simplification: 21=-4.2X

    Results: x=-5
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