Write down the solution for this math problem: Solve -2330 = 136*f - 698 for f.
answer: -12

Write down the solution for this math problem: Solve 2330 = -277*f - 1271 for f.
answer: -13

Write down the solution for this math problem: Solve -l - 2*l = 12 for l.
answer: -4

Write down the solution for this math problem: Solve 75 + 432 = -39*q for q.
answer:
-13