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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: 2 questions will be solved this time.Among them
☆1 inequalities
☆1 equations
[ 1/2 Equation]
Work: Find the solution of equation 2x—9-x = 0 .
Question type: Equation
Solution:Original question:
| 2 | x | − | 9 | − | x | = | 0 |
| Left side of the equation = | 1 | x | − | 9 |
| 1 | x | − | 9 | = | 0 |
Transposition :
| 1 | x | = | 0 | + | 9 |
| x | = | 0 | + | 9 |
Combine the items on the right of the equation:
| x | = | 9 |
This is the solution of the equation.
[ 2/2Inequality]
Assignment:Find the solution set of inequality (5x-1 ) <3(x+1) .
Question type: Inequality
Solution:
The inequality can be reduced to 1 inequality：
( 5 * x - 1 ) <3 * ( x + 1 ) (1)
From inequality(1)：
x < 2
The final solution set is :
x < 2