Overview: 6 questions will be solved this time.Among them
☆6 equations
[ 1/6 Equation]
Work: Find the solution of equation 0.7x+4.5 = 6.3+0.5x .
Question type: Equation
Solution:Original question:
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.
[ 2/6 Equation]
Work: Find the solution of equation 0.9x+0.5x+2.9 = 5.7 .
Question type: Equation
Solution:Original question:| | 9 10 | x | + | 1 2 | x | + | 29 10 | = | 57 10 |
| Left side of the equation = | 7 5 | x | + | 29 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.
[ 3/6 Equation]
Work: Find the solution of equation 0.8x+0.5x+3.2 = 8.4 .
Question type: Equation
Solution:Original question:| Left side of the equation = | 13 10 | x | + | 16 5 |
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 4(x+0.4) = 3.6 .
Question type: Equation
Solution:Original question: Remove the bracket on the left of the equation:
| Left side of the equation = | 4 | x | + | 4 | × | 2 5 |
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.
Convert the result to decimal form :
[ 5/6 Equation]
Work: Find the solution of equation 0.5x+0.9x+1.1 = 6.7 .
Question type: Equation
Solution:Original question:| | 1 2 | x | + | 9 10 | x | + | 11 10 | = | 67 10 |
| Left side of the equation = | 7 5 | x | + | 11 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.
[ 6/6 Equation]
Work: Find the solution of equation 0.5x-3.7 = 2.3+0.1x .
Question type: Equation
Solution:Original question:| | 1 2 | x | − | 37 10 | = | 23 10 | + | 1 10 | x |
Transposition :
| | 1 2 | x | − | 1 10 | x | = | 23 10 | + | 37 10 |
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.
Your problem has not been solved here? Please go to the Hot Problems section!