Question: What is the solution?

Solve 104*r - 282 - 361 = -19 for r.

Answer: 6

Question: What is the solution?

Solve 4*v - 2 = -10 for v.

Answer: -2

Question: What is the solution?

Solve 30 = 16*y - 2 for y.

Answer: 2

Question: What is the solution?

Solve 55 + 77 = -7*t + 48 for t.

Answer:
-12