The complete statement is 5 + 7
The commutative property of addition is a mathematical rule stating that a change in the order or arrangement of the numbers being added does not affect the sum.
It is also important to note the following sign changes;
(-) (-) = +
(+) (+) = +
(-)(+) = -
(+)(-) = -
Given the expression;
5 - ( -7)
We know that the signs (-)(-) is equivalent to (+) sign
Substitute into the expression;
5 + 7
Thus, the complete statement is 5 + 7
Learn more about addition here:
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