QUESTION: Math problem: Solve -110*t + 115*t = -15 for t.
ANS: -3
QUESTION: Math problem: Solve 0 = 3*g - 13 + 7 for g.
ANS: 2
QUESTION: Math problem: Solve 0 = -55*r + 40*r - 105 for r.
ANS: -7
QUESTION: Math problem: Solve 2*h + 7*h - 11*h + 4 = 0 for h.
ANS:
2