Q: What is the solution?
Solve -20*x = -41*x - 147 for x.

A: -7

Q: What is the solution?
Solve 378*d + 438 = -3342 for d.

A: -10

Q: What is the solution?
Solve 3426 = 159*z + 1448 - 2792 for z.

A:
30