Overview: 1 questions will be solved this time.Among them
           ☆1 equations

[ 1/1 Equation]
    Work: Find the solution of equation 2（9-2X1） = 3（11-2X2） .
    Question type: Equation
    Solution:Original question:

2

(

9

−

2

X

×

1

)

=

3

(

11

−

2

X

×

2

)

    Remove the bracket on the left of the equation:

Left side of the equation =

2

×

9

−

2

×

2

X

×

1

=

18

−

4

X

    The equation is transformed into :

18

−

4

X

=

3

(

11

−

2

X

×

2

)

    Remove the bracket on the right of the equation:

Right side of the equation =

3

×

11

−

3

×

2

X

×

2

=

33

−

12

X

    The equation is transformed into :

18

−

4

X

=

33

−

12

X

    Transposition :

-

4

X

+

12

X

=

33

−

18

    Combine the items on the left of the equation:

8

X

=

33

−

18

    Combine the items on the right of the equation:

8

X

=

15

    The coefficient of the unknown number is reduced to 1 :

X

=

15

÷

8

=

15

×

1 8

    We obtained :

X

=

15 8

    This is the solution of the equation.

    Convert the result to decimal form :

X

=

1.875

Your problem has not been solved here? Please take a look at the  hot problems ！