QUESTION: Math problem: Solve -15*b + 34*b = -38 for b.
ANS: -2
QUESTION: Math problem: Solve -2*n + 44 - 34 = 0 for n.
ANS: 5
QUESTION: Math problem: Solve -804*v + 313*v - 681*v = -17580 for v.
ANS: 15
QUESTION: Math problem: Solve -2554*u + 809*u + 845*u - 4624 = -832*u for u.
ANS:
-68