Question:
Solve 122*v - 5051 = 330*v + 11173 for v..

Answer:
-78

Question:
Solve 1053 = 54*z + 1269 for z..

Answer:
-4

Question:
Solve 57*l - 208 = 26*l + 257 for l..

Answer:
15

Question:
Solve -22*m - 91*m + 2748 = 1053 for m..

Answer:
15