detailed information: The input equation set is:
Subtract both sides of equation (3) from both sides of equation (2), get the equation:
Multiply both sides of equation (3) by 5 Divide both sides of equation (3) by 3, 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:
Convert the solution of the equation set to decimals:
Where: D, E 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》 |