Question:
Solve 2*l = -306 + 298 for l..

Answer:
-4

Question:
Solve 245*w - 72*w = -519 for w..

Answer:
-3

Question:
Solve 224*z + 119*z - 5850 = -307*z for z..

Answer:
9

Question:
Solve 31 - 763 = 122*c for c..

Answer:
-6