Write down the solution for this math problem: Solve -25*d = -129 + 139 + 340 for d.
answer: -14

Write down the solution for this math problem: Solve -1178*i + 155*i = -1030*i + 539 for i.
answer: 77

Write down the solution for this math problem: Solve 0 = -2*l + 47 - 57 for l.
answer: -5

Write down the solution for this math problem: Solve -893 = -115*b - 128 + 1075 for b.
answer:
16