Question:
Solve -23 = -6*y - 53 for y..

Answer:
-5

Question:
Solve 2*g = 16*g + 841 - 253 for g..

Answer:
-42

Question:
Solve 5*s = -7*s for s..

Answer:
0

Question:
Solve 19*u = -29*u - 8*u + 224 for u..

Answer:
4