SOLUTION: is there a particular formula for adding and subtracting negative and positive numbers multiplying them dividing them thank you

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ADDING = & - NUMBERS
+ , + = +
- , - = -
- , +)
+ , -) HERE YOU HAVE TO CALCULATE THE DIFFERENCE AND ASSIGN THE SIGN OF THE GREATER VALUE:
EXAMPLE -6+4 HERE THE DIFFERENCE IS 2 AND THE - NUMBER IS THE GREATEST THUS THE ANSWER IS -2
EXAMPLE +10-2 HERE THE DIFFERENCE IS 8 AND THE + NUMBER IS THE GREATEST THUS THE ANSWER IS +8
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MULTIPLY AND DIVIDE HAVE THE SAME SET OF RULES THUS:
+*+=+)
-*-=+) LIKE SIGNS AREALWAYS +
+8-=-)
-*+=-) UNLIKE SIGNS ARE ALWAYS -
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DIVISION
+/+=+)
-/-=+) LIKE SIGNS ARE ALWAYS +
-/+=-)
+/-=-) UNLIKE SIGNS ARE ALWAYS -