Question: How to formulate a function to add value across horizontally if In Service Date matches with the date listed Date?
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For example: Cell B9 should equal to sum of B2:F2 and B4:F4.
I tried to use sum(index(array, match()) function but it only works with single match value. For example, 02/01/2011 have two rows, the values on the 2nd row won't add up to the total. Could anyone help to get this resolve?
Many thanks!!
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