What is equivalent to (-18)-64n

Answer 1

It is common to rewrite subtraction as addition. When you change subtraction to addition you change the sign of the number that follows.

One possibility for this expression is the following:

(-18)+(-64n)

Once it is subtraction, you can also change the order of the terms you are adding. Another possibility would be the following:

(-64n)+(-18)

Answer 2

An equivalent equation to this would (18)64n because when you multiply 2 negative numbers together, you end up with a positive number! So we can get rid of the negative sign and we would end up with the same number