Math and Arithmetic

# How can you use addition of integers to subtract integers?

012 ###### 2014-10-01 00:14:46

Subtracting an integer is the same as adding the additive inverse. In symbols:

a - b = a + (-b), where "-b" is the additive inverse (the opposite) of b.

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## Related Questions  To subtract integers u use kcc aka keep change change on the sighn and then u subtract normaly.   It is important to add and subtract integers: to get a new integer value in mathematics . negetive integers are not closed under addition but positive integers are.  You can use them for counting, which is in fact addition. You can also use them for subtracion. Integers are natural numbers. This means you don't use decimals or fractions. Addition (+) is the opposite of subtract (-).  you can add subtract multiply and divide them. If you mean integers, well if you have two integers of the same sign that you are adding, add and the sign stays the same. If you have different signs, subtract and keep the sign of the one that has more. Regular numbers you just add them. 1. change the subtract to an add and switch the sign of the second. 2. follow rules for addition. -same sign is adding and keep the sign -different sign is subtract and take the sign of the bigger number Because otherwise you would only know how to subtract and add with the same integers. Not a particularly useful skill unless just those integers turned up! Addition and multiplication are operations on integers that are commutative. First, subtract the absolute values of the integers, then use the greater absolute value's sign.    No.If you subtract a positive number, you move to the left.If you subtract a negative number, you move to the right.   first we used the rule KCC keep the first number ,change the sign and second number.Rules for addition of singed number :Same signs Add and keep the sign;different signs Subtract and keep the sign of the biggest number   