Write down the solution for this math problem: Solve 42*i - 640 - 116 = 0 for i.
answer: 18

Write down the solution for this math problem: Solve 0 = 2*j + 5 - 7 for j.
answer: 1

Write down the solution for this math problem: Solve 2*p = -150 + 166 for p.
answer: 8

Write down the solution for this math problem: Solve 8516 - 8327 = 26*d + d for d.
answer:
7