QUESTION: Math problem: Solve 122*k = -147*k + 2421 for k.
ANS: 9
QUESTION: Math problem: Solve 3*r + r + 585 = 501 for r.
ANS: -21
QUESTION: Math problem: Solve 104*y = 203*y + 651*y - 2250 for y.
ANS: 3
QUESTION: Math problem: Solve -1455*z + 631*z = 1033*z + 18570 for z.
ANS:
-10