Question:
Solve -20 = k - 23 for k..

Answer:
3

Question:
Solve -1633*y + 615*y - 36887 - 4851 = 0 for y..

Answer:
-41

Question:
Solve 1163*n - 9 = 1154*n for n..

Answer:
1

Question:
Solve -17*m = -665611 + 665169 for m..

Answer:
26