SOLUTION: what is the answer to a polynomial that have the same costant if your subtracting like 2y-2y or -2y+2y,.is zero the answer?

Question 985144: what is the answer to a polynomial that have the same costant if your subtracting like 2y-2y or -2y+2y,.is zero the answer?
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
You are trying to ask for the Additive Inverse Property.

Adding the OPPOSITE of a number is the same as SUBTRACTING the number. You can restate your first expression as . We have no inverse property for subtraction; we must understand subtraction both in the usual way, AND as adding the opposite of a number.

Both the expressions you asked ARE equal to 0.

and
.
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