Overview: 6 questions will be solved this time.Among them
☆6 equations
[ 1/6 Equation]
Work: Find the solution of equation 4x×4-2x-10 = 46 .
Question type: Equation
Solution:Original question:| Left side of the equation = | 16 | x | − | 2 | x | − | 10 |
The equation is transformed into :
Transposition :
Combine the items on the right of the equation:
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
[ 2/6 Equation]
Work: Find the solution of equation 4x×4+42 = 73-5x×3 .
Question type: Equation
Solution:Original question:| | 4 | x | × | 4 | + | 42 | = | 73 | − | 5 | x | × | 3 |
| Left side of the equation = | 16 | x | + | 42 |
The equation is transformed into :
| Right side of the equation = | 73 | − | 15 | x |
The equation is transformed into :
Transposition :
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 :
This is the solution of the equation.
[ 3/6 Equation]
Work: Find the solution of equation 3x+3x-17 = 103 .
Question type: Equation
Solution:Original question:| Left side of the equation = | 6 | x | − | 17 |
The equation is transformed into :
Transposition :
Combine the items on the right of the equation:
The coefficient of the unknown number is reduced to 1 :
We obtained :
This is the solution of the equation.
[ 4/6 Equation]
Work: Find the solution of equation 4x×5+24 = 134-2x .
Question type: Equation
Solution:Original question:| Left side of the equation = | 20 | x | + | 24 |
The equation is transformed into :
Transposition :
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 :
This is the solution of the equation.
[ 5/6 Equation]
Work: Find the solution of equation 3x×3+26 = 128+3x .
Question type: Equation
Solution:Original question:| Left side of the equation = | 9 | x | + | 26 |
The equation is transformed into :
Transposition :
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 :
This is the solution of the equation.
[ 6/6 Equation]
Work: Find the solution of equation 3x×6+20 = 20+4x×3 .
Question type: Equation
Solution:Original question:| | 3 | x | × | 6 | + | 20 | = | 20 | + | 4 | x | × | 3 |
| Left side of the equation = | 18 | x | + | 20 |
The equation is transformed into :
| Right side of the equation = | 20 | + | 12 | x |
The equation is transformed into :
Transposition :
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 :
This is the solution of the equation.
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