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39 votes
39 votes
-28-(-40)=O 12O 680 -680-22

User Ofir Farchy
by
3.2k points

1 Answer

15 votes
15 votes

A

In this expression,

We have two negative numbers let's add them:

-28-(-40)

-28+40

12

Remember the minus sign before the parentheses, works like -1* (-40) that's why it changes the sign.

User Maximilian Dietel
by
3.2k points