Question:
Solve -4*u - 296 = -284 for u..

Answer:
-3

Question:
Solve -24*w + 507 - 315 = 0 for w..

Answer:
8

Question:
Solve 0 = -5*d - 84 + 74 for d..

Answer:
-2

Question:
Solve 0 = -237*d - 14422 + 5179 for d..

Answer:
-39