Question:
Solve -52*n = -48*n - 8 for n..

Answer:
2

Question:
Solve 22 - 321 + 52 = 19*r for r..

Answer:
-13

Question:
Solve 0 = -35*c - 118943 + 118068 for c..

Answer:
-25

Question:
Solve 222*a - 8*a - 842 = -505*a - 123 for a..

Answer:
1