Question:
Solve 0 = -6*u + 8*u + 2 for u..

Answer:
-1

Question:
Solve -127120 = -6919*k + 969*k + 141802 - 60672 for k..

Answer:
35

Question:
Solve -9835 + 4492 - 7265 = -179*k + 1891 for k..

Answer:
81

Question:
Solve -1279*b = 13308 + 4598 for b..

Answer:
-14