60-x=34.5+4x
4x+x=60-34.5
5x=25.5
x=5.1
5.6x+4x=17.28
9.6x=17.28
x=1.8
12(x-2)=3.6
x-2=0.3
x=2.3
3x-1.2=3.6
3x=4.8
x=1.6