540/x = 60 - 54540/x = 6x = 540/6x = 90
z (36 - 24) = 12z 12 = 12z = 12/12z = 1
(29 + d) - 27 = 5829 + d - 27 = 582 + d = 58d = 58 - 2d = 56
540/x = 60 - 54
540/x = 6
x = 540/6
x = 90
z (36 - 24) = 12
z 12 = 12
z = 12/12
z = 1
(29 + d) - 27 = 58
29 + d - 27 = 58
2 + d = 58
d = 58 - 2
d = 56