Question: What is the solution?

Solve -77*z - 1476 = 12*z - 7*z for z.

Answer: -18

Question: What is the solution?

Solve -44*g + 54*g + 60 = 0 for g.

Answer: -6

Question: What is the solution?

Solve -21*s = -14*s + 21 for s.

Answer: -3

Question: What is the solution?

Solve 0 = -44*s - 134 + 266 for s.

Answer:
3