QUESTION: Math problem: Solve -41*r - 562*r = 9648 for r.
ANS: -16
QUESTION: Math problem: Solve 210*o + 1680 = 105*o for o.
ANS: -16
QUESTION: Math problem: Solve 214*j - 106*j - 107*j = 0 for j.
ANS: 0
QUESTION: Math problem: Solve 5*k - 7*k - 7*k = -72 for k.
ANS:
8