Question:
Solve 251344 = -5539*z - 22914 + 52698 for z..

Answer:
-40

Question:
Solve -23*k = -12*k + 52 - 228 for k..

Answer:
16

Question:
Solve 0 = 28*u - 23*u + 35 for u..

Answer:
-7

Question:
Solve 77*l - 173*l = 314*l + 5740 for l..

Answer:
-14