QUESTION: Math problem: Solve -21 = -4*c - 57 for c.
ANS: -9
QUESTION: Math problem: Solve 67288 = -2366*z + 5121 - 32473 for z.
ANS: -40
QUESTION: Math problem: Solve 21*q = 12*q - 36 for q.
ANS: -4
QUESTION: Math problem: Solve 0 = -16*t + 64 - 16 for t.
ANS:
3