Question:
Solve 17*z = 2*z + 75 for z..

Answer:
5

Question:
Solve 8179 = -116*m + 18735 for m..

Answer:
91

Question:
Solve 0 = -31248723*t + 31248060*t - 47736 for t..

Answer:
-72

Question:
Solve -78*r - 658 - 993 = 4698 - 499 for r..

Answer:
-75