0
e.g. 'a' - ( -a)
becomes
a -- a
a + a = 2a
Here with a table for manipulating 'double' signs.
-
- = +
-
- = -
-
- = -
-
- = +
NB If no sign is shown in front of a number , then read the number as plus(O).
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What are the rules when adding or subtracting negative numbers?
When subtracting negative numbers change the subtraction sign to a plus and change the second number (which would appear to be positive) to a negative. ex. -14 - 7=?/-14 + -7= -21 When adding negative numbers just add them as they appear. ex. -2 + -5= -7
What is a negative take away a negative it equals positive?
The result of subtracting a negative number minus a negative number can be positive, or negative, depending on which of the numbers is larger. It can even be zero.
What is the result of subtracting 2 numbers?
The result of subtracting 2 numbers is the difference.
What are the rule for dividing negative numbers?
The rules for dividing negative numbers is the same as multiplying them. A negative number multiplied/divided by a negative number is positive and a negative number multiplied/divided by a positive number is negative.
The difference between two negative numbers is negative if?
The difference between two negative numbers is negative if the second number ( the number you are subtracting from the first) is less in value than the first. For example (-3) - ( -2) = -3 + 2 = -1 (-3) - (-4) = -3 + 4 = + 1
