Overview: 3 questions will be solved this time.Among them
☆3 equations
[ 1/3 Equation]
Work: Find the solution of equation x*0.88+225*0.12 = 250 .
Question type: Equation
Solution:Original question: | x | × | 22 25 | + | 225 | × | 3 25 | = | 250 |
Left side of the equation = | x | × | 22 25 | + | 27 |
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 :
[ 2/3 Equation]
Work: Find the solution of equation x*0.88+230*0.12 = 252 .
Question type: Equation
Solution:Original question: | x | × | 22 25 | + | 230 | × | 3 25 | = | 252 |
Left side of the equation = | x | × | 22 25 | + | 138 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.
[ 3/3 Equation]
Work: Find the solution of equation x*0.88+(242*0.12) = 205 .
Question type: Equation
Solution:Original question: | x | × | 22 25 | + | ( | 242 | × | 3 25 | ) | = | 205 |
Remove the bracket on the left of the equation:
Left side of the equation = | 22 25 | x | + | 242 | × | 3 25 |
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 :
Your problem has not been solved here? Please go to the Hot Problems section!