0, Because you don't know how negative or how positive! 0, Because you don't know how negative or how positive!
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Because "minus a negative" is tha same as "plus a positive". So, a positive minus a negative is a positive plus a positive which is a positive.
"Minus a negative number" is the same as "plus a positive number" so you have a positive plus a positive number - making a bigger positive number.
"Minus a negative" is the same thing as "plus."
Because adding a negative is the same as subtracting a positive. In other words, minus a plus is he same as plus a minus. For example 5+ (-3) = 5-3 = +2 5 -(+3) = 5-3 = +2 Remember minus a plus = = minus plus a minus = minus plus a plus = plus minus a minus = plus
plus is the positive terminal (cathode) minus is the negative terminal (anode)