一、把下面的方程和对应的解连起来。

二、解方程。
4x = 1.64
x÷0.6 = 42
x - 15 = 7.2
x - 21.5 = 19.5
x + 7 = 13.2
2.5x = 12
5x = 10.5
x + 0.54 = 7.25
9.2 - x = 3.7
x÷1.3 = 0.6
x - 0.28 = 1.7
2x = 18.4
x÷1.8 = 6
15x = 1.5
x - 2.7 = 7.3
35 + x = 53
x÷6 = 120
x + 2.75 = 10
28x = 61.6
x - 0.82 = 0.82
x÷1.5 = 1.5
9.5 + x = 10.26
x÷0.7 = 0.7
2.3x = 460
7x = 1.05
0.32 + x = 2.3
x÷2.5 = 15

x = 0.41
x = 25.2
x = 22.2
x = 41
x = 6.2
x = 4.8
x = 2.1
x = 6.71
x = 5.5
x = 0.78
x = 1.98
x = 9.2
x = 10.8
x = 0.1
x = 10
x = 18
x = 720
x = 7.25
x = 2.2
x = 1.64
x = 2.25
x = 0.76
x = 0.49
x = 200
x = 0.15
x = 1.98
x = 37.5