Question:
Solve -88 = 37*i + 510 + 68 for i..

Answer:
-18

Question:
Solve 143*u - 93240 = 770*u + 705*u for u..

Answer:
-70

Question:
Solve 0 = -309*w - 443*w - 10681 + 1657 for w..

Answer:
-12

Question:
Solve -15*z - 224*z - 11661 = -746*z for z..

Answer:
23