| Detailed information: The input equation set is:
交After the exchange of equation (3) and equation (9), the equation system becomes:
交After the exchange of equation (4) and equation (8), the equation system becomes:
交After the exchange of equation (5) and equation (8), the equation system becomes:
交After the exchange of equation (6) and equation (7), the equation system becomes:
交After the exchange of equation (7) and equation (8), the equation system becomes:
交After the exchange of equation (8) and equation (9), the equation system becomes:
Multiply both sides of equation (8) by 5, get the equation:
Subtract both sides of equation (8) from both sides of equation (2), get the equation:
The coefficient of the unknown number is reduced to 1, and the equations are reduced to:
Therefore, the solution of the equation set is:
Convert the solution of the equation set to decimals:
Where: C are arbitrary constants. 解方程组的详细方法请参阅:《多元一次方程组的解法》 |