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On line Solution of Monovariate Equation：
Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
It supports equations that contain mathematical functions.
Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
It supports equations that contain mathematical functions.
Current location：Equations > Monovariate Equation > The history of univariate equation calculation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 equations
[ 1/1 Equation]
Work: Find the solution of equation X-0.1X-0.05X-3 = 642+0.15*642 .
Question type: Equation
Solution:Original question:
| X | − | 1 10 | X | − | 1 20 | X | − | 3 | = | 642 | + | 3 20 | × | 642 |
| Left side of the equation = | 17 20 | X | − | 3 |
17 20 | X | − | 3 | = | 642 | + | 3 20 | × | 642 |
| Right side of the equation = | 642 | + | 963 10 |
| = | 7383 10 |
17 20 | X | − | 3 | = | 7383 10 |
Transposition :
17 20 | X | = | 7383 10 | + | 3 |
Combine the items on the right of the equation:
17 20 | X | = | 7413 10 |
The coefficient of the unknown number is reduced to 1 :
| X | = | 7413 10 | ÷ | 17 20 |
| = | 7413 10 | × | 20 17 |
| = | 7413 | × | 2 17 |
We obtained :
| X | = | 14826 17 |
Convert the result to decimal form :
| X | = | 872.117647 |