Write down the solution for this math problem: Solve 238*x = -1325 - 1007 - 48 for x.
answer: -10

Write down the solution for this math problem: Solve -198 = -11*u - 143 for u.
answer: 5

Write down the solution for this math problem: Solve 1657*u - 550*u = -27009 + 1548 for u.
answer: -23

Write down the solution for this math problem: Solve 16*k + 2508 = -6*k + 98*k for k.
answer:
33