QUESTION: Math problem: Solve 72*u + 736 = -918 + 358 for u.
ANS: -18
QUESTION: Math problem: Solve 77*k - 309 + 1590 = -106*k for k.
ANS: -7
QUESTION: Math problem: Solve j + 27 - 59 = -19 for j.
ANS: 13
QUESTION: Math problem: Solve -140*i = -23*i + 265*i - 7258 for i.
ANS:
19