detailed information: The input equation set is:
Subtract both sides of equation (1) from both sides of equation (2) ,the equations are reduced to:
Subtract both sides of equation (1) from both sides of equation (3) ,the equations are reduced to:
交After the exchange of equation (2) and equation (3), the equation system becomes:
Subtract both sides of equation (3) from both sides of equation (2), get the equation:
Subtract both sides of equation (3) from both sides of equation (1), get the equation:
Subtract both sides of equation (2) from both sides of equation (1), get the equation:
Therefore, the solution of the equation set is:
解方程组的详细方法请参阅:《多元一次方程组的解法》 |