Question:
Solve -2*o + 72 = 70 for o..

Answer:
1

Question:
Solve -151 = -93*y + 6 + 29 for y..

Answer:
2

Question:
Solve 0 = -41*i + 56*i - 30 for i..

Answer:
2

Question:
Solve -30*g + 2867 = 74*g - 38*g + 359 for g..

Answer:
38