1) 13y + 15y - 24 = 6028y - 24 = 6028y = 84y = 84 / 28y = 3
2) p : 38 - 76 = 38p : -38 = 38p = 38 - 38p = 0
3) 6t + 5t - 33 = 011t - 33 = 011t = 33t = 33 / 11t = 3
1) 13y + 15y - 24 = 60
28y - 24 = 60
28y = 84
y = 84 / 28
y = 3
2) p : 38 - 76 = 38
p : -38 = 38
p = 38 - 38
p = 0
3) 6t + 5t - 33 = 0
11t - 33 = 0
11t = 33
t = 33 / 11
t = 3