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In Maths double sign symbols can be tabled as

    • = +
    • = -
    • = -
    • = +

NB If no symbol is given in front of a number, then read it as plus(+).

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lenpollock

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3w ago

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More answers

A minus plus a minus will give a sum with a minus also.

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Wiki User

14y ago
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Q: What does a minus plus a minus equal9?
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