Question: What is the solution?

Solve 0 = 2*r + 179 - 175 for r.

Answer: -2

Question: What is the solution?

Solve -34*v + 1218 = -208*v for v.

Answer: -7

Question: What is the solution?

Solve -29*d + 10 = -28*d for d.

Answer: 10

Question: What is the solution?

Solve 53*m + 2471 = -121 + 154 for m.

Answer:
-46