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Q: What is 1 plus negative 2?

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Yes.example: -1+(-1)=-2

-n+-n=-2n so -1+-1=-2. In simple terms a negative plus a negative eqauls a negative. You can just add the numbers as if they are positive and then add a negative sign to the answer.

-1

The sum of -1/15 and -3/5 is -2/3

negative three

Related questions

-4 + -5 + -2 + -1 = -12 (negative 12).

Negative plus a negative is a negative. Ex. -1+-1=-2 Negative times a negative is a positive. -2*-2=4 But a negative [minus] plus a positive [plus] can be minus, zero or plus: For example, -3 + 2 = -1 -3 + 3 = 0 -3 + 4 = +1

negative 2

The sum of -1 and -2 is -3.

Yes.example: -1+(-1)=-2

The total sum is -12 or negative twelve.

-2 + 1 = -1

negative -1/2+-1/2 = -1

9 to negative 2 = 1/9 to plus 2 = 1/81

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