Question:
Solve 173*n - 1532 - 418 = 2894 for n..

Answer:
28

Question:
Solve -20*k + 8*k = -81*k - 1725 for k..

Answer:
-25

Question:
Solve -1 = -5*j + 4 for j..

Answer:
1

Question:
Solve -630 + 635 = 5*v for v..

Answer:
1