Question:
Solve 8144*y - 8180*y = 54 - 18 for y..

Answer:
-1

Question:
Solve 67*y + 87*y + 455 = 2303 for y..

Answer:
12

Question:
Solve -24*b + 624 = 672 for b..

Answer:
-2

Question:
Solve 573*w - 555*w + 288 = 0 for w..

Answer:
-16