Question: What is the solution?

Solve 0 = 61*v - 151*v - 990 for v.

Answer: -11

Question: What is the solution?

Solve 24*m + 195 = 171 for m.

Answer: -1

Question: What is the solution?

Solve -156*x + 154*x = 20 for x.

Answer: -10

Question: What is the solution?

Solve 18 - 2 = 16*y for y.

Answer:
1