detailed information: The input equation set is: Question solving process:
Divide the two sides of equation (1) by 2, the equation can be obtained: , then subtract both sides of equation (4) from both sides of equation (2), the equations are reduced to:
Divide the two sides of equation (1) by 2, the equation can be obtained: , then subtract both sides of equation (5) from both sides of equation (3), the equations are reduced to:
Multiply both sides of equation (2) by 3, the equation can be obtained: , then subtract both sides of equation (6) from both sides of equation (3), the equations are reduced to:
由第(3)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》 |