Question: What is the solution?

Solve -124*x = 38*x - 1620 for x.

Answer: 10

Question: What is the solution?

Solve -1513*j = -1510*j - 6 for j.

Answer: 2

Question: What is the solution?

Solve -2*t = -12*t - 4*t for t.

Answer: 0

Question: What is the solution?

Solve 15*a + 22*a + 36*a = -146 for a.

Answer:
-2