QUESTION: Math problem: Solve -42*r = 21*r + 189 for r.
ANS: -3
QUESTION: Math problem: Solve 59*g = -42*g - 1431 + 3451 for g.
ANS: 20
QUESTION: Math problem: Solve -1202*r + 48*r + 10355 = 419*r + 62264 for r.
ANS: -33
QUESTION: Math problem: Solve 328*n + 181 = 79*n - 321*n - 3239 for n.
ANS:
-6