Question:
Solve -18*s - 14*s - 30 = -29*s for s..

Answer:
-10

Question:
Solve -15596 + 2683 = 903*s + 10565 for s..

Answer:
-26

Question:
Solve -4*y = 5*y + 9 for y..

Answer:
-1

Question:
Solve 237*k - 7518 = -219*k - 275*k + 9295 for k..

Answer:
23