Question: What is the solution?

Solve 106*w - 105*w + 4 = 0 for w.

Answer: -4

Question: What is the solution?

Solve -17*b - 132 = 16*b for b.

Answer: -4

Question: What is the solution?

Solve -23*x - 45 = -28*x for x.

Answer: 9

Question: What is the solution?

Solve -355*y = 6743 + 1422 for y.

Answer:
-23