Write down the solution for this math problem: Solve 304 = 17*n + 55*n - 632 for n.
answer: 13

Write down the solution for this math problem: Solve -148 + 136 = 4*a for a.
answer: -3

Write down the solution for this math problem: Solve -2457 + 1267 = 70*k for k.
answer: -17

Write down the solution for this math problem: Solve 10*i - 73 = -43 for i.
answer:
3