Question:
Solve 0 = -161*k + 137 - 1103 for k..

Answer:
-6

Question:
Solve 0 = -116*k + 121*k - 40 for k..

Answer:
8

Question:
Solve 5*j + 2 = 4*j for j..

Answer:
-2

Question:
Solve -43*z + 26*z = 51 for z..

Answer:
-3