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[ 1/1 Equation]
Work: Find the solution of equation 450/x-450/x+5 = 1 .
Question type: Equation
Solution:Original question: | 450 | ÷ | x | − | 450 | ÷ | x | + | 5 | = | 1 |
Multiply both sides of the equation by: | x |
| 450 | − | 450 | ÷ | 1 | × | 1 | + | 5 | x | = | 1 | x |
Transposition :
| 5 | x | − | 1 | x | = | - | 450 | + | 450 | ÷ | 1 | × | 1 |
Calculate the items on the right of the equation:
Combine the items on the left of the equation:
Combine the items on the right of the equation:
The coefficient of the unknown number is reduced to 1 :
We obtained :
However,when simplifying the equation, multiply both sides by x | , and when
, its value is 0. Therefore, the value of this unknown number is not the solution of the equation, and the input to the equation is incorrect.
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