You would subtract. For example, if you have 5-7, you would subtract the two like normal. And if you have 5+(-7) you would also subtract, because adding a negative number to a positive is the same as subtracting.
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Same mathematical signs equal plus Different mathematical signs equal minus Plus Plus = Plus (+)(+) = + Minus Minus = Plus (-)(-) = + Plus Minus = Minus (+)(-) = - Minus Plus = Minus (-)(+) = - So the direct answer to your question would be: plus minus equals minus
A minus and a minus makes a plus A plus and a plus makes a plus A minus and a plus or plus and a minus makes a minus 7 - -2 is a minus and a minus Therefore the answer is 7 + 2 = 9
A plus with a minus under it means "plus or minus" in math.
No, it becomes a plus, since minus x minus = plus
Minus...