Q: Solve -10 = 5*d - 0*d for d.

A: -2

Q: Solve 24*y - 26 + 98 = 0 for y.

A: -3

Q: Solve 8 = -x - x for x.

A: -4

Q: Solve 519*f + 353*f = 42*f + 14940 for f.

A:
18