y + 10 = 24
y = 14
x - 7 = -9
x = -2
a + 12 = 7
a = -5
b - 8 = 15
b = 23
r + 16 = 5
r = -11
s - 21 = 13
s = 34
m + 29 = 32
m = 3
n - -5 = 9
n = 4
x + -15 = -16
x = -1
y - 8 = -14
y = -6
u + -27 = -25
u = 2
v - 33 = -12
v = 21
b + 7 = -10
b = -17
a - 51 = -42
a = 9
t + -94 = 4
t = 98