5/3x - 7 = (1/2)²
5/3x - 7 = 1/4
5/3x = 7 + 1/4
5/3x = 29/4
5x × 4 = 29×3
20x = 87
x = 87/20
x = 4,35
5/3x - 7 = (1/2)²
5/3x - 7 = 1/4
5/3x = 7 + 1/4
5/3x = 29/4
5x × 4 = 29×3
20x = 87
x = 87/20
x = 4,35