Question:
Solve 168 = -33*r + 3 for r..

Answer:
-5

Question:
Solve -434 = -71*l - 522 + 1437 for l..

Answer:
19

Question:
Solve 1303*j + 506 + 2891 + 512 = 0 for j..

Answer:
-3

Question:
Solve 13*d - 17 = -4 for d..

Answer:
1