detailed information: The input equation set is:
Multiply both sides of equation (1) by 4 Divide the two sides of equation (1) by 7, the equation can be obtained:
Multiply both sides of equation (1) by 2 Divide the two sides of equation (1) by 7, the equation can be obtained:
Divide the two sides of equation (2) by 5, the equation can be obtained:
Multiply both sides of equation (2) by 28 Divide both sides of equation (2) by 75, 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:
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》 |