Question: What is the solution?

Solve -178986*t = -179121*t + 5265 for t.

Answer: 39

Question: What is the solution?

Solve -618*r = -608*r - 472 + 152 for r.

Answer: 32

Question: What is the solution?

Solve -78*k + 46*k - 160 = 0 for k.

Answer: -5

Question: What is the solution?

Solve -250*f + 2838 = -1912 for f.

Answer:
19