Please help me
We're looking for a number that, when subtracted from 4, equals 6....let n be that number....so we have
4 - n = 6 add n to both sides
4 = 6 + n subtract 6 from both sides
-2 = n
This is true because 4-(-2) = 4 + 2 = 6 !!!!
The only logical answer i could come up with is 4--2=6