QUESTION: Math problem: Solve -1587 = 32*r - 851 for r.
ANS: -23
QUESTION: Math problem: Solve 22*k = 30*k - 32 for k.
ANS: 4
QUESTION: Math problem: Solve 2009 = 89*p - 103*p - 35*p for p.
ANS: -41
QUESTION: Math problem: Solve 300*k - 100*k = -400 for k.
ANS:
-2