Write down the solution for this math problem: Solve -255*k + 6696 = -7*k for k.
answer: 27

Write down the solution for this math problem: Solve -376*j = -399*j - 69 for j.
answer: -3

Write down the solution for this math problem: Solve 66*f - 149 - 79 = 564 for f.
answer: 12

Write down the solution for this math problem: Solve 58*r - 12350 = -520*r + 944 for r.
answer:
23