QUESTION: Math problem: Solve 694*p - 707*p = 65 for p.
ANS: -5
QUESTION: Math problem: Solve 11*d + 29 = 30*d + 143 for d.
ANS: -6
QUESTION: Math problem: Solve -1130 = 91*i + 17*i + 166 for i.
ANS: -12
QUESTION: Math problem: Solve -8 = -2*r - 2 for r.
ANS:
3