x - 60 = 85
x = 85 + 60
x = 145
145 - 60 = 85
x - 41 = 98
x = 98 + 41
x = 139
139 - 41 = 98
x - 96 = 84
x = 84 + 96
x = 180
180 - 96 = 84
x - 36 = 6
x = 6 + 36
x = 42
42 - 36 = 6
157 - x = 140
x = 157-140
x = 17
157 - 17 = 140
96 - x = 16
x = 96-16
x = 80
96 - 80 = 16
75 - x = 19
x = 75-19
x = 56
75-56 = 19
121 - x = 14
x = 121-14
x = 107
121 - 107 = 14
