QUESTION: Math problem: Solve 3*r - 21 - 56 = -107 for r.
ANS: -10
QUESTION: Math problem: Solve -37*i - 139*i - 38*i = 39*i - 4301 for i.
ANS: 17
QUESTION: Math problem: Solve -460*y + 63*y = -11513 for y.
ANS: 29
QUESTION: Math problem: Solve -10*y = 7*y + 2*y + 266 for y.
ANS:
-14