Additive Identity
Adding 0 to a value does not change the value. More precisely:
a + 0 = a
Here are some examples:
3 + 0 = 3
90 + 0 = 90
(x + y) + 0 = x + y
Quiz (1 point)
If the following is true:
m + x = m
Then what is the value of x?
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