QUESTION: Math problem: Solve -6581*x + 1362*x = -161789 for x.
ANS: 31
QUESTION: Math problem: Solve 6*d + 68023 = 3926*d + 283623 for d.
ANS: -55
QUESTION: Math problem: Solve -104 = 3192*z - 3205*z for z.
ANS: 8
QUESTION: Math problem: Solve -451 = 40*r + 124 + 465 for r.
ANS:
-26