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30 July, 18:00

Show me how to work the equation 9h+8-12=-40

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  1. 30 July, 18:54
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    9h+8-12=-40

    9h-4 = - 40

    Move - 4 to the other side. Sign changes from - 4 to + 4.

    9h-4+4 = - 40+4

    9h = - 36

    Divide by 9

    9h/9 = - 36/9

    Cross out 9 and 9, divide by 9. Becomes 1*1*h = h

    h = - 4

    Answer : h = - 4
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