Answer:
4x- 3 - 2x +6=2x +3
step 1
4x - 2x + 6 - 3 =2x + 3
step 2
2x + 3 = 2x + 3
4x-3-2x+6=2x+3
4x-3-2x+6-2x-3=0
( 4x-2x-2x)+(-3+6-3)=0
0+0=0