Question:
Solve -80*z = 426 + 214 for z..

Answer:
-8

Question:
Solve -211*p - 1092 - 1504 - 1835 = 0 for p..

Answer:
-21

Question:
Solve 29*j - 279 = -22*j - 0 + 129 for j..

Answer:
8

Question:
Solve 0 = 52*r + 112*r - 201*r + 148 for r..

Answer:
4