Question: What is the solution?

Solve -4 = -k - 2 for k.

Answer: 2

Question: What is the solution?

Solve 331*h + 278*h + 12802 + 3172 = -2905 for h.

Answer: -31

Question: What is the solution?

Solve 32 + 248 = 35*o for o.

Answer: 8

Question: What is the solution?

Solve 320 = -1534243*t + 1534179*t for t.

Answer:
-5