detailed information: The input equation set is:
Subtract both sides of equation (1) from both sides of equation (3) ,the equations are reduced to:
Subtract both sides of equation (2) from both sides of equation (4) ,the equations are reduced to:
Multiply both sides of equation (3) by 4 Divide the two sides of equation (3) by 3, the equation can be obtained:
Multiply both sides of equation (4) by 12 Divide both sides of equation (4) by 25, get the equation:
Multiply both sides of equation (4) by 12 Divide both sides of equation (4) by 25, get the equation:
Multiply both sides of equation (3) by 4 Divide both sides of equation (3) by 3, get the equation:
Multiply both sides of equation (3) by 4 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:
解方程组的详细方法请参阅:《多元一次方程组的解法》 |