-2 + n = -16
x - 10 = -12
14.2 = 6.34 + c
r - 16 = 5 1/2
-9 + t = 56
-3 1/3 = y - 2 2/3
w + 14 = -9.9
3 = r - 12
-23 = -8 + x
x - 14 = -22
x + 2.23 = 1.5
-1 1/4 = x - 5 2/3