Solution: 1.5x-x-6=4.

( 1.5- 1)x-6=4

0.5x-6=4

0.5x=4+6

0.5x= 10

x=20

General steps of solving equations

(1) If there is a denominator, go to the denominator first.

(2) If there are brackets, remove them.

(3) If it is necessary to move items, move items.

(4) merging similar projects

5] coefficient to 1 to get an unknown value.

[6] Write "Xie" at the beginning.