**IMPORTANT:** Numeric entry fields must not contain dollar signs, percent signs, commas, spaces, etc. (only digits 0-9 and decimal points are allowed).

Click the **Terms** tab above for a more detailed description of each entry.

#### Step #1

Enter the first number in the equation, free of any commas, spaces or other non-numeric characters (only a single decimal point is allowed). If the number is negative enter a minus sign directly in front of the number (-25).

#### Step #2

Select either "plus" or "minus" from the operation drop-down menu.

#### Step #3

Enter the second number in the equation, free of any commas, spaces or other non-numeric characters (only a single decimal point is allowed). If the number is negative enter a minus sign directly in front of the number (-25).

#### Step #4

the "Add/Subtract Numbers" button and scroll down to see how the solution was reached using long addition or subtraction.

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