QUESTION: Math problem: Solve 395614 = -31*p + 395428 for p.
ANS: -6
QUESTION: Math problem: Solve -16*f - 112 = 12*f for f.
ANS: -4
QUESTION: Math problem: Solve -3010*r - 4546*r + 1369037 + 548563 = -26356*r for r.
ANS: -102
QUESTION: Math problem: Solve -2481*z - 78 = -2442*z for z.
ANS:
-2