Question:
Solve 0 = 46*n - 19*n + 162 for n..

Answer:
-6

Question:
Solve -85*m + 312 = -59*m for m..

Answer:
12

Question:
Solve 0 = -217*d - 63284 + 72615 for d..

Answer:
43

Question:
Solve 1471*z + 19686 = 2050*z for z..

Answer:
34