Complex sentence: This Is What the Truth Feels Like sold 84,000 equivalent album units during its first week, 76,000 of them pure album sales ebuted at number one on the "Billboard" 200, becoming her first number-one album on the chart.
Split into simpler sentences: This Is What the Truth Feels Like sold 84,000 equivalent album units during its first week, which 76,000 of them was pure album sales. It was debuted at number one on the "Billboard" 200, becoming her first number-one album on the chart.