QUESTION: Math problem: Solve 186*v - 176*v = -40 for v.
ANS: -4
QUESTION: Math problem: Solve -15*j = 2*j - 34 for j.
ANS: 2
QUESTION: Math problem: Solve -5561*a + 5621*a = -1680 for a.
ANS: -28
QUESTION: Math problem: Solve 810*z - 816*z - 6 = 0 for z.
ANS:
-1