Question:
Solve -58913*y + 61000*y + 98089 = 0 for y..

Answer:
-47

Question:
Solve 20 = 28*p - 484 for p..

Answer:
18

Question:
Solve 109 = 7*r + 137 for r..

Answer:
-4

Question:
Solve 68*k - 33*k - 315 = 0 for k..

Answer:
9