when the numbers are neggative they become positive for example
2-(-2)
the two negative become positives so the answer is
4
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Addition can be used to solve a subtraction problem by using the concept of inverse operations. By adding the opposite of a number to another number, the result will be the same as subtracting the first number from the second number. This can be helpful in mental math or when trying to simplify complex subtraction problems.
Parenthesis, Exponents, Multiplication, Division, Addition, Subtraction
Pemdas was created, because it is the order in which you can solve problems. (order of operation) Parenthesis Exponents Multiplication Division Addition Subtraction If we didn't have Pemdas everything would be all mixed up, and the answer would be wrong. Pemdas is the rules of order in which how to solve a problem.
An algorithm is the series of steps to solve problem, so you would be looking for the series of steps to solve a math problem.
There was no word problem, so it would be a null equation.
It depends on the problem you are trying to solve. like; 2x + 3 = 13. it would be "5". (Multiplication.) or x/3 = 6. x= 18. this is a division problem. Like I said, it all depends on your problem.