Question:
Solve 142 - 698 - 1876 = -76*d for d..

Answer:
32

Question:
Solve 90 + 23 + 23 = -17*i for i..

Answer:
-8

Question:
Solve 1818*z - 1721*z = -1067 for z..

Answer:
-11

Question:
Solve -277 - 113 = 65*k for k..

Answer:
-6