Overview: 7 questions will be solved this time.Among them
☆7 equations
[ 1/7 Equation]
Work: Find the solution of equation 1.4213 = 0.0628*x+1.3639 .
Question type: Equation
Solution:Original question:| | 14213 10000 | = | 157 2500 | x | + | 13639 10000 |
Transposition :
| | - | 157 2500 | x | = | 13639 10000 | − | 14213 10000 |
Combine the items on the right of the equation:
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
[ 2/7 Equation]
Work: Find the solution of equation 1.4084 = 0.0628*x+1.3639 .
Question type: Equation
Solution:Original question:| | 3521 2500 | = | 157 2500 | x | + | 13639 10000 |
Transposition :
| | - | 157 2500 | x | = | 13639 10000 | − | 3521 2500 |
Combine the items on the right of the equation:
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
[ 3/7 Equation]
Work: Find the solution of equation 1.4028 = 0.0628*x+1.3639 .
Question type: Equation
Solution:Original question:| | 3507 2500 | = | 157 2500 | x | + | 13639 10000 |
Transposition :
| | - | 157 2500 | x | = | 13639 10000 | − | 3507 2500 |
Combine the items on the right of the equation:
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
[ 4/7 Equation]
Work: Find the solution of equation 1.4023 = 0.0628*x+1.3639 .
Question type: Equation
Solution:Original question:| | 14023 10000 | = | 157 2500 | x | + | 13639 10000 |
Transposition :
| | - | 157 2500 | x | = | 13639 10000 | − | 14023 10000 |
Combine the items on the right of the equation:
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
[ 5/7 Equation]
Work: Find the solution of equation 1.4020 = 0.0628*x+1.3639 .
Question type: Equation
Solution:Original question:| | 701 500 | = | 157 2500 | x | + | 13639 10000 |
Transposition :
| | - | 157 2500 | x | = | 13639 10000 | − | 701 500 |
Combine the items on the right of the equation:
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
[ 6/7 Equation]
Work: Find the solution of equation 1.4010 = 0.0628*x+1.3639 .
Question type: Equation
Solution:Original question:| | 1401 1000 | = | 157 2500 | x | + | 13639 10000 |
Transposition :
| | - | 157 2500 | x | = | 13639 10000 | − | 1401 1000 |
Combine the items on the right of the equation:
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
[ 7/7 Equation]
Work: Find the solution of equation 1.4006 = 0.0628*x+1.3639 .
Question type: Equation
Solution:Original question:| | 7003 5000 | = | 157 2500 | x | + | 13639 10000 |
Transposition :
| | - | 157 2500 | x | = | 13639 10000 | − | 7003 5000 |
Combine the items on the right of the equation:
By shifting the terms and changing the symbols on toth sides of the equation, we obtain :
If the left side of the equation is equal to the right side, then the right side must also be equal to the left side, that is :
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 :
>>注:本次最多计算 7 道题。
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