Question: What is the solution?

Solve -76*t + 81*t + 40 = 0 for t.

Answer: -8

Question: What is the solution?

Solve -55 = 3*f + 26 - 45 for f.

Answer: -12

Question: What is the solution?

Solve 34*i - 42*i - 32 = 0 for i.

Answer: -4

Question: What is the solution?

Solve -250*m - 55*m - 1423 = 712 for m.

Answer:
-7