Q: Solve -353*w - 520*w = -427*w - 13380 for w.

A: 30

Q: Solve 3*y - 24 = -9*y for y.

A: 2

Q: Solve -23*i + 124 = 354 for i.

A: -10

Q: Solve 0*f - 3*f + 2*f = 0 for f.

A:
0