Question:
Solve -51*a = 73*a - 147*a + 46 for a..

Answer:
2

Question:
Solve -171 + 576 + 55 = 23*o for o..

Answer:
20

Question:
Solve -18*u - 232 + 135 = 155 for u..

Answer:
-14

Question:
Solve 100148*h + 306 = 100139*h for h..

Answer:
-34