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Q: What is -9 minus negative 21 over 8?

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-29 - -8 = -21

8 - (-21) = 8 + 21 = 29

It is: 8 - -21 = 29

x - 8/3 = -86/21 Add 8/3 to each side: x = -10/7

4/3 minus (-3/8) is 1 17/24

The answer is -1/8 (negative one-eighth).

-47/8

Negative 8 minus 12 is negative 20.

Negative 7 over 8 minus 4 and 4 fifths = -227/40 or -527/40

negative 4 over 3 .

21 over 40

(21/8) - (3/4) = (21/8) - (6/8) = 15/8 = 1-7/8 = 1.875

2/9 minus (negative 8/9) = 2/9 + 8/9 = 10/9

-5/10 + 8/10 = 3/10

-4/7 − -11/8 = 45/56

-8 - (-13) = - 8 + 13 = +5 ( minus a minus is a plus)

8 minus negative three or 8--3 equal positive 11. The double negative converts the minus sign into a plus sign and the negative into a positive.

21/24 - 8/24 = 13/24

8 minus negative 15 is twenty three.23.you first add negative 15 + 8 and it is 23.that will give you the answer

10/4 - z - 8/16 = 21/2 - z - 1/2 = 2 - z

53/8 − 21/4 = 13/8

-6 minus -14 is 8.

-3 minus -11 is 8.

-4 minus -12 is 8.

4 minus -8 is 12.