Answer:
Subtraction Problem Addition Problem
3 - 7 3 + (-7)
These two match because they will give the same result which is -4 and when the addition problem is operated on, it will look like the subtraction problem.
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Subtraction Problem Addition Problem
-3 - 7 -3 + (-7)
These two will give the same result of -10. When additional problem is worked on it becomes subtraction problem.
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Subtraction Problem Addition Problem
-3 - (-7) -3 + 7
These two will both give the result of 4. When subtraction problem is worked on, it becomes addition problem.
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Subtraction Problem Addition Problem
3 - (-7) 3 + 7
Both give a result of 10. When subtraction problem is worked on, it becomes addition problem.