QUESTION: Math problem: Solve 30 - 111 = 27*y for y.
ANS: -3
QUESTION: Math problem: Solve 122*j - 6889 + 23829 = -123*j + 25*j for j.
ANS: -77
QUESTION: Math problem: Solve 28*k + 15*k + 4293 = -7*k + 2143 for k.
ANS: -43
QUESTION: Math problem: Solve 579*v + 1938*v + 388170 = -2599*v + 106790 for v.
ANS:
-55