Q: Solve -3*a + 18 = 6*a for a.

A: 2

Q: Solve 2 = 5*j - 6*j for j.

A: -2

Q: Solve -31500 - 98961 = 2343*x - 13311 for x.

A: -50

Q: Solve 35*h + 0 = -35 for h.

A:
-1