Write down the solution for this math problem: Solve -96*b - 493 = 150 + 413 for b.
answer: -11

Write down the solution for this math problem: Solve -6 = 8*l - 11*l for l.
answer: 2

Write down the solution for this math problem: Solve 617*k + 591*k - 1255*k = 2303 for k.
answer: -49

Write down the solution for this math problem: Solve 31*r + 108 = -12*r - 279 for r.
answer:
-9