Write down the solution for this math problem: Solve -1094 = -52*w - 304 + 198 for w.
answer: 19

Write down the solution for this math problem: Solve 541*x - 680*x = 2919 for x.
answer: -21

Write down the solution for this math problem: Solve -7513 + 8472 = 959*d for d.
answer: 1

Write down the solution for this math problem: Solve 13 = -6*x + 7 for x.
answer:
-1