In other words, the amount of OH− added equals the original amount of H2A at the first equivalence point.
ɪn ˈʌðɚ wˈɜːdz, ðɪ ɐmˈaʊnt ʌv ˌoʊˈeɪtʃ mˈaɪnəs ˈædᵻd ˈiːkwəlz ðɪ ɚɹˈɪdʒɪnəl ɐmˈaʊnt ʌv ˈeɪtʃ tˈuː ˈeɪ æt ðə fˈɜːst ɪkwˈɪvələns pˈɔɪnt.