detailed information: The input equation set is:
Add both sides of equation (1) to both sides of equation (3) ,the equations are reduced to:
Subtract both sides of equation (2) from both sides of equation (3) ,the equations are reduced to:
Therefore, the solution of the equation set is:
Where: z 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》 |