Addition is a sum and so is subtraction. So there's your answer!
subtract the same 'thing' from both sides of an equality
The addition of the opposite, to both sides of the equation. keep it equal
The reflexive property of relations is not the same as the addition property of equality.
Addition and subtraction can be thought of as the same thing because subtracting a negative number is the same as adding it and adding a negative number is the same as subtracting it.
The process is the same for addition and subtraction. The process is totally different for like and unlike terms.
8 addition subtraction multiplication division reflexive symmetric transitive substitution
They are different in the same way that subtraction of integers is different from their addition.
No,, they do not. Why would anyone have two operations that are the same?
who discovered addition and subtraction.
in an equation like y=5x+3 the 3 would be the y-intercept
Because a negative negative is the same a a positive, and because of the definition of subtraction and addition.