解:0.5*(x-3)=2-0.5*(x-3)各项乘以2得(x-3)=4-(x-3)x-3=4-x+3x+x=7+32x=10x=5
0.5x-1.5=2-0.5x+1.5 x=5
得0.5x-1.5=2-0.5x+1.5得x=1.5+1.5+2得x=5