Question:
Solve -191636*a = -191635*a - 21 - 33 for a..

Answer:
54

Question:
Solve -41 = 18*a + 191 - 16 for a..

Answer:
-12

Question:
Solve 1965*h + 1902*h = 3735*h + 11748 for h..

Answer:
89

Question:
Solve -498*x = 23791 - 9847 for x..

Answer:
-28