12x = 7x = 7/12x ≈ 0.58
5/x = 8x = 5/8x = 0.625
7x = 16x = 16/7x ≈ 2.29
(3/8)x = 1x = 8/3x ≈ 2.67
(9/16)x = 1x = 16/9x ≈ 1.78
12x = 7
x = 7/12
x ≈ 0.58
5/x = 8
x = 5/8
x = 0.625
7x = 16
x = 16/7
x ≈ 2.29
(3/8)x = 1
x = 8/3
x ≈ 2.67
(9/16)x = 1
x = 16/9
x ≈ 1.78