Question:
Solve 50 = -119*k - 69 for k..

Answer:
-1

Question:
Solve 8*s + 22*s - 1967 = -20*s + 183 for s..

Answer:
43

Question:
Solve 1522*a + 378*a + 3916 = 332*a - 3924 for a..

Answer:
-5

Question:
Solve -55*z - 328 = 772 for z..

Answer:
-20