Question:
Solve -413*l - 3231 = -1345 + 3896 for l..

Answer:
-14

Question:
Solve 3122 - 7073 = -173*p + 5045 for p..

Answer:
52

Question:
Solve -12625*a + 638 = -12636*a for a..

Answer:
-58

Question:
Solve -2 + 6 = 2*r for r..

Answer:
2