1.1.28=0.32X
X=1.28/0.32
X=4
2.7X=13.5+25
7X=38.5
X=5.5
3.5.6X+4X=17.28
9.6X=17.28
X=17.28/9.6
X=1.9
4.3X/4+X/2=9/4
5X/4=9/4
X=(9/4)*(4/5)
X=9/5
5.5X+10=32
5X=22
X=22/5
6.72-4X=60
4X=12
X=3
7.2.5X=1
X=0.4
1.1.28=0.32X
X=1.28/0.32
X=4
2.7X=13.5+25
7X=38.5
X=5.5
3.5.6X+4X=17.28
9.6X=17.28
X=17.28/9.6
X=1.9
4.3X/4+X/2=9/4
5X/4=9/4
X=(9/4)*(4/5)
X=9/5
5.5X+10=32
5X=22
X=22/5
6.72-4X=60
4X=12
X=3
7.2.5X=1
X=0.4