Question:
Solve -41*r - 2067 = -3051 for r..

Answer:
24

Question:
Solve 9*p - 1492 = -6*p - 1747 for p..

Answer:
-17

Question:
Solve -35*k + 40 = -15*k for k..

Answer:
2

Question:
Solve -21*b + 562 = 940 for b..

Answer:
-18