QUESTION: Math problem: Solve 82*s + 156*s = 147*s + 4823 for s.
ANS: 53
QUESTION: Math problem: Solve -84 = 255*d + 214*d + 17269 for d.
ANS: -37
QUESTION: Math problem: Solve -116*n - 32*n = -43*n + 4200 for n.
ANS: -40
QUESTION: Math problem: Solve 512*r - 432 = 620*r for r.
ANS:
-4