detailed information: The input equation set is:
Multiply both sides of equation (1) by 5, the equation can be obtained:
交After the exchange of equation (2) and equation (3), the equation system becomes:
Add both sides of equation (2) to both sides of equation (4) ,the equations are reduced to:
Multiply both sides of equation (3) by 12, the equation can be obtained:
由第(4)方程式可以看出,该方程组无解。 解方程组的详细方法请参阅:《多元一次方程组的解法》 |