Question:
Solve 0 = 3215*o + 75765 + 27115 for o..

Answer:
-32

Question:
Solve 0 = -5*o - 143 + 108 for o..

Answer:
-7

Question:
Solve -15*t = -9*t + 6 for t..

Answer:
-1

Question:
Solve -109 = 4*l - 125 for l..

Answer:
4