4,5: x+3/4= 2 19/18
4,5:x = 55/18 - 3/4
4,5:x = (110-27)/36
4,5:x = 83/36
x= 45/10 : 83/36
x= 45/10 * 36/83= 1620/830= 162/83 = 1 79/83
4,5: x+3/4= 2 19/18
4,5:x = 55/18 - 3/4
4,5:x = (110-27)/36
4,5:x = 83/36
x= 45/10 : 83/36
x= 45/10 * 36/83= 1620/830= 162/83 = 1 79/83