Question:
Solve 2*y + 2*y = -2*y + 60 for y..

Answer:
10

Question:
Solve 120876 - 122073 = 133*b for b..

Answer:
-9

Question:
Solve -22082 + 13907 = -980*k + 33965 for k..

Answer:
43

Question:
Solve 16*y = -50 - 30 for y..

Answer:
-5