Overview: 3 questions will be solved this time.Among them
☆3 equations
[ 1/3 Equation]
Work: Find the solution of equation (X-304220)/X = 0.53499 .
Question type: Equation
Solution:Original question: | ( | X | − | 304220 | ) | ÷ | X | = | 53499 100000 |
Multiply both sides of the equation by: | X |
| ( | X | − | 304220 | ) | = | 53499 100000 | X |
Remove a bracket on the left of the equation::
| X | − | 304220 | = | 53499 100000 | X |
Transposition :
| X | − | 53499 100000 | X | = | 304220 |
Combine the items on the left 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 :
[ 2/3 Equation]
Work: Find the solution of equation (X-304220)/X = 0.52499 .
Question type: Equation
Solution:Original question: | ( | X | − | 304220 | ) | ÷ | X | = | 52499 100000 |
Multiply both sides of the equation by: | X |
| ( | X | − | 304220 | ) | = | 52499 100000 | X |
Remove a bracket on the left of the equation::
| X | − | 304220 | = | 52499 100000 | X |
Transposition :
| X | − | 52499 100000 | X | = | 304220 |
Combine the items on the left of the equation:
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
[ 3/3 Equation]
Work: Find the solution of equation (X-304220)/X = 0.51499 .
Question type: Equation
Solution:Original question: | ( | X | − | 304220 | ) | ÷ | X | = | 51499 100000 |
Multiply both sides of the equation by: | X |
| ( | X | − | 304220 | ) | = | 51499 100000 | X |
Remove a bracket on the left of the equation::
| X | − | 304220 | = | 51499 100000 | X |
Transposition :
| X | − | 51499 100000 | X | = | 304220 |
Combine the items on the left of the equation:
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
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