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It supports mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 equations
[ 1/1 Equation]
Work: Find the solution of equation 2x+1 = 7 .
Question type: Equation
Solution:Original question:
| 2 | x | + | 1 | = | 7 |
Transposition :
| 2 | x | = | 7 | − | 1 |
Combine the items on the right of the equation:
| 2 | x | = | 6 |
The coefficient of the unknown number is reduced to 1 :
| x | = | 6 | ÷ | 2 |
| = | 6 | × | 1 2 |
| = | 3 | × | 1 |
We obtained :
| x | = | 3 |