Question:
Solve 238*b - 8262 = -158*b - 90*b for b..

Answer:
17

Question:
Solve -70 = 12*i - 34 for i..

Answer:
-3

Question:
Solve -80*w = -239*w + 95*w - 5504 for w..

Answer:
-86

Question:
Solve 81*t = -77*t + 169*t - 110 for t..

Answer:
10