Question:
Solve -62*z = 85*z - 114*z - 561 for z..

Answer:
17

Question:
Solve 3*i = -8 - 4 for i..

Answer:
-4

Question:
Solve -16*y - 1 = -17*y for y..

Answer:
1

Question:
Solve 259*u - 711 = -5315 + 3706 - 15937 for u..

Answer:
-65