Q: What is the solution?
Solve -7*y + 38*y - 124 = 0 for y.

A: 4

Q: What is the solution?
Solve -60 = -21*d - 186 for d.

A: -6

Q: What is the solution?
Solve -13*j + 18*j - 30 = 0 for j.

A:
6