4*x - 3*x = 7272/72
72(4x-3x) = 7272
72x = 7272
x = 7272/72 = 101
x = 101
4*101-3*101 = 7272/72
404-303 = 7272/72
101=101
4*x - 3*x = 7272/72
72(4x-3x) = 7272
72x = 7272
x = 7272/72 = 101
x = 101
4*101-3*101 = 7272/72
404-303 = 7272/72
101=101