Write down the solution for this math problem: Solve 0 = -63*k + 51*k + 3*k + 77*k + 2312 for k.
answer: -34

Write down the solution for this math problem: Solve 114*r + 1413 - 3157 = 17*r + 6792 for r.
answer: 88

Write down the solution for this math problem: Solve 48*k = 51*k - 18 for k.
answer: 6

Write down the solution for this math problem: Solve -9945*x = -2557*x - 764313 - 22582 + 11155 for x.
answer:
105