Q: Solve 58 = 9*w + 85 for w.

A: -3

Q: Solve -23201 = 570*t + 169 for t.

A: -41

Q: Solve 1991*i - 173097 = 1931*i + 4492*i + 177031 for i.

A: -79

Q: Solve -1618*l + 618*l + 627*l = -6341 for l.

A:
17