Solve 646*n - 644*n + 10 = 0 for n.

-5

Solve 7*u = 9*u + 10 for u.

-5

Solve 7*v + 26 - 5 = 0 for v.

-3

Solve 5*h + 124 = -26*h for h.

-4

Solve 9 = 5*w + 29 for w.

-4

Solve 87*i + 30*i = -234 for i.

-2

Solve 0 = 53*d - 64*d + 22 for d.

2

Solve 0 = 20*i + 32 + 48 for i.

-4

Solve 13*k = -0*k - 65 for k.

-5

Solve -11*z - 9*z = 80 for z.

-4