Addition and subtraction are inverse functions.
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Parenthesis Exponent Multiplication Division Addition Subtraction PEMDAS ( the multiplication and division is based on which of them comes FIRST )
Subtraction: Yes. Division: No. 2/4 = is not an integer, let alone an even integer.
"Factor" is normally applied to multiplication and division, not addition and subtraction, but the analogues in addition would be the numbers being added.
Examples: Write the first integer as it is, turn the subtraction into the addition, change the sign of the second integer, and follow the rules of addition. -7 - (2) = -7 + (-2) = -(7 + 2) = -9 10 - (-8) = 10 + (+8) = 18
addition