Question: What is the solution?

Solve 100*t + 484983 = 489183 for t.

Answer: 42

Question: What is the solution?

Solve 4132*a - 276928 + 27925 = 12795*a + 45539 for a.

Answer: -34

Question: What is the solution?

Solve 1391*r = -10978 + 30452 for r.

Answer: 14

Question: What is the solution?

Solve -69*w + 24*w - 360 = 0 for w.

Answer:
-8