QUESTION: Math problem: Solve -3*r + 61 = 73 for r.
ANS: -4
QUESTION: Math problem: Solve -1682 = 27*c - 1763 for c.
ANS: 3
QUESTION: Math problem: Solve 151*t - 166*t = -81 + 21 for t.
ANS: 4
QUESTION: Math problem: Solve -275158610*z + 275158419*z - 764 = 0 for z.
ANS:
-4