Write down the solution for this math problem: Solve 74*d + 160 = 147 - 357 for d.
answer: -5

Write down the solution for this math problem: Solve 41*t + 185 - 66 = -127 for t.
answer: -6

Write down the solution for this math problem: Solve 0 = 19*n - 23*n + 20 for n.
answer: 5

Write down the solution for this math problem: Solve -10*n - n = 7*n - 18 for n.
answer:
1