Question:
Solve 108*j - 122*j = -84 for j..

Answer:
6

Question:
Solve 0 = -4165*r - 96929 - 13188 - 26698 - 29785 for r..

Answer:
-40

Question:
Solve 8*l + 16 + 24 = 0 for l..

Answer:
-5

Question:
Solve 8*n = -7*n - 75 for n..

Answer:
-5