Write down the solution for this math problem: Solve -114 = 5*a - 109 for a.
answer: -1

Write down the solution for this math problem: Solve -1775 = -383*i + 1168 - 262 for i.
answer: 7

Write down the solution for this math problem: Solve 7*x = 18*x - 22*x - 104*x - 9890 for x.
answer: -86

Write down the solution for this math problem: Solve -1861*d + 187642 = 49928 for d.
answer:
74