Q: Solve 17*z + 10*z - 189 + 363 = -285 for z.

A: -17

Q: Solve -7*f - 1 = -6*f for f.

A: -1

Q: Solve 11461*d - 4871*d = 230650 for d.

A: 35

Q: Solve 26*w + 13*w = 27*w + 228 for w.

A:
19