Solve 189 = 129*z - 156*z for z.

-7

Solve -9 = 4*n - 17 for n.

2

Solve -h + 60 = -16*h for h.

-4

Solve -29*n - 27 - 2 = 0 for n.

-1

Solve -31 = 13*p + 21 for p.

-4

Solve -3*a + 24 - 9 = 0 for a.

5

Solve 39*t = 196 - 40 for t.

4

Solve 0 = -f - 6*f + 28 for f.

4

Solve 218 - 262 = 22*r for r.

-2

Solve 0 = -4*h + 3134 - 3162 for h.

-7