Multiplication
y x 7 = 42
y = 6
x + 4 = 92
x = 88
42 / x = 7
x = 6
9 - y = 4
y = 5
18 x y = 36
y = 2
12 x b = 144
b = 12
94 + x = 160
x = 66
81 / x = 9
x = 9
73 - y = 42
y = 31
64 / 8 = k
k = 8
14 x h = 140
h = 10
x = -15
14 / v = 2
v = 7
97 - 10 = m
m = 87
19 - x = 12
x = 7
b x 9 = 72
b = 8
42 + z = 12
z = -30
56 / 9 = b
b = 6
p - 14 = 10
p = 24
63 + 92 = j
j = 155
72 x y = 2592
y = 36
14 + x = 21
x = 7
18 / 9 = x
x = 2
99 - m = 42
m = 57
99 / 11 = g
g = 9