Question: What is the solution?

Solve 446*k = 458*k - 96 for k.

Answer: 8

Question: What is the solution?

Solve -1335 + 6465 = -113*j - 172*j for j.

Answer: -18

Question: What is the solution?

Solve 8518*u - 8541*u = -391 for u.

Answer: 17

Question: What is the solution?

Solve -18*o + o - 68 = 0 for o.

Answer:
-4