QUESTION: Math problem: Solve 364 = 53*c - 7 for c.
ANS: 7
QUESTION: Math problem: Solve -4*j - 6*j = -j for j.
ANS: 0
QUESTION: Math problem: Solve 14461*d - 14420*d = -246 for d.
ANS: -6
QUESTION: Math problem: Solve 9*b - 511 + 430 = 0 for b.
ANS:
9