Question:
Solve 9*z = 17*z + 480 - 352 for z..

Answer:
-16

Question:
Solve 2 = -18*l + 19*l for l..

Answer:
2

Question:
Solve -8*j + 13*j = 15 for j..

Answer:
3

Question:
Solve 20*m = 3009 - 2969 for m..

Answer:
2