7.6-6.2x+4x=3.2
-2.2x=-4.4
x=2
18.24-2.5(x+4)=1.5x
18.24-2.5x-10=1.5x
4x=8.24
x=2.06
4.08-2(x+0.6)=1.2x
4.08-2x-1.2=1.2x
2.88=3.2x
x=0.9
7.6-6.2x+4x=3.2
-2.2x=-4.4
x=2
18.24-2.5(x+4)=1.5x
18.24-2.5x-10=1.5x
4x=8.24
x=2.06
4.08-2(x+0.6)=1.2x
4.08-2x-1.2=1.2x
2.88=3.2x
x=0.9