Question:
Solve 36*r - 551 = 7*r for r..

Answer:
19

Question:
Solve 0 = -6*k + 13*k + 35 for k..

Answer:
-5

Question:
Solve 4*n = 5*n + 1 for n..

Answer:
-1

Question:
Solve -411*m - 3260 - 6263 = 9379 + 16444 for m..

Answer:
-86