Question

解方程
6-x=

2

3

2x+

1

6

=

7

6

x-（

3

14

+

4

7

）=

1

2

．

Answer 1

（1）6-x=

2

3

6-x+x=

2

3

+x

2

3

+x-

2

3

=6-

2

3

x=5

1

3

（2）2x+

1

6

=

7

6

2x+

1

6

-

1

6

=

7

6

-

1

6

2x÷2=1÷2
x=

1

2

（3）x-（

3

14

+

4

7

）=

1

2

x-

11

14

=

1

2

x-

11

14

+

11

14

=

1

2

+

11

14

x=

9

7

．