0
Anonymous
If: d+7 = 5
Then: d = -2 by subtracting 7 from both sides
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It equals 24.
89
it is the same i believe
false. because 5plus 3 plus 7 equals, 15, and 15 plus three is not seven
12
It doesn't ! -7 plus -5 equals -12 ! -7 plus 5 equals -2
5
7+2+5= 14 35 42
27
96
it is 28
2+5=7 5+2=7 2+5=5+2
If I am correct, 9 plus 7 equals 112.
Commutativity of addition.