Question:
Solve -10*h - 35 = -65 for h..

Answer:
3

Question:
Solve 679*h + 79 = 693*h - 243 for h..

Answer:
23

Question:
Solve -150 = -37*x + 12*x for x..

Answer:
6

Question:
Solve 416*n - 869 + 573 + 2209 + 3079 = 0 for n..

Answer:
-12