QUESTION: Math problem: Solve 0 = -69*q + 295 - 19 for q.
ANS: 4
QUESTION: Math problem: Solve 8009 - 13697 = 26*n - 7690 for n.
ANS: 77
QUESTION: Math problem: Solve -69*l - 138 = -173*l + 58*l for l.
ANS: 3
QUESTION: Math problem: Solve 378*r - 1882*r - 246456 = -789*r + 1241*r for r.
ANS:
-126