Question:
Solve -23*a - 191 = -370 - 304 for a..

Answer:
21

Question:
Solve -46*d + 49*d + 3 = 0 for d..

Answer:
-1

Question:
Solve 7 + 62 = 23*h for h..

Answer:
3

Question:
Solve -5 = 5*x + 20 for x..

Answer:
-5