Write down the solution for this math problem: Solve 4250*q - 625*q - 46058 = -4114*q - 278228 for q.
answer: -30

Write down the solution for this math problem: Solve -52*t + 127 = 574 + 21 for t.
answer: -9

Write down the solution for this math problem: Solve 0 = 213*d + 152 + 1126 for d.
answer: -6

Write down the solution for this math problem: Solve -420 = -30*a - 30*a for a.
answer:
7