what is the stockholders equity? and why ? i am confused

BETTER CORP. Accounting Equation fo Liabilities Assets Event Cash Land Notes Payable 01 + 0 111 Beg. Bal. 1. Issued stock 2 Borrowed Loan 3. Provided Service 4. Paid operating expenses 5. Paid dividend 6. Land purchase Totals 7,000 + 12,000+ 47,000+ (30,000) + (8,000) + (20,000) 8,000 + HII 11 02 b. As of December 31, Year 1, determine the total amount of assets, liabilities, and stock Assets Liabilities 12,000 Stockholders' Equity 59,000 BETTER CORP Balance Sheet As of December 31, Year 1