QUESTION: Math problem: Solve 126 - 8 = -13*k - 51 for k.
ANS: -13
QUESTION: Math problem: Solve -825*i - 462 = -839*i for i.
ANS: 33
QUESTION: Math problem: Solve 1410 = -4284*c + 3630*c - 10362 for c.
ANS: -18
QUESTION: Math problem: Solve -11*x = 8 - 63 for x.
ANS:
5