Overview: 3 questions will be solved this time.Among them
☆3 equations
[ 1/3 Equation]
Work: Find the solution of equation 95064X1+29952X2+4848X3 = 0 .
Question type: Equation
Solution:Original question:| | 95064 | X | × | 1 | + | 29952 | X | × | 2 | + | 4848 | X | × | 3 | = | 0 |
| Left side of the equation = | 95064 | X | + | 59904 | X | + | 14544 | X |
The equation is transformed into :
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
[ 2/3 Equation]
Work: Find the solution of equation 29952X1+32856X2-5844X3 = 42 .
Question type: Equation
Solution:Original question:| | 29952 | X | × | 1 | + | 32856 | X | × | 2 | − | 5844 | X | × | 3 | = | 42 |
| Left side of the equation = | 29952 | X | + | 65712 | X | − | 17532 | X |
The equation is transformed into :
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
Convert the result to decimal form :
[ 3/3 Equation]
Work: Find the solution of equation 4848X1+5844X2+45360 = -18 .
Question type: Equation
Solution:Original question:| | 4848 | X | × | 1 | + | 5844 | X | × | 2 | + | 45360 | = | - | 18 |
| Left side of the equation = | 4848 | X | + | 11688 | X | + | 45360 |
The equation is transformed into :
Transposition :
Combine the items on the right of the equation:
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
Convert the result to decimal form :
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