Addition and subtraction can be thought of as the same thing because 2 + (-1) is the same as 2 – (+1). Hmm.. watch the videos:
Addition of negative numbers:
Adding multiple numbers with different signs:
Beginning Algebra
Addition and subtraction can be thought of as the same thing because 2 + (-1) is the same as 2 – (+1). Hmm.. watch the videos:
Addition of negative numbers:
Adding multiple numbers with different signs:
Beginning Algebra 