detailed information: The input equation set is:
![](img/zku_y.png) | | | | | -24 | x | + | | 56 | y | + | | 24 | z | = | | 20 | | (3) |
| Question solving process:
Multiply both sides of equation (1) by 24, the equation can be obtained: , then add the two sides of equation (4) to both sides of equation (3), the equations are reduced to:
Multiply both sides of equation (2) by 35, the equation can be obtained: , then subtract both sides of equation (5) from both sides of equation (3), the equations are reduced to:
Divide both sides of equation (3) by 59, get the equation:, then add the two sides of equation (6) to both sides of equation (2), 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:
解方程组的详细方法请参阅:《多元一次方程组的解法》 |