What happens when problems involve **both** addition and subtraction? Addition is both associative and commutative, and subtraction is neither…

One solution is to follow the order of operations (parentheses, exponents, multiplication, division, addition, subtraction) working from left to right in the event of a “tie”. This will always produce the intended result.

However, the order of operations does not provide any guidance about how Continue reading Algebra Intro 5: Addition, Subtraction, and Terms